./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_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_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/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 1c36260bdfb38a7ddcc128caab61da79dda5fd60 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:49:24,375 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:49:24,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:49:24,389 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:49:24,389 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:49:24,390 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:49:24,391 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:49:24,392 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:49:24,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:49:24,394 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:49:24,395 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:49:24,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:49:24,396 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:49:24,396 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:49:24,397 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:49:24,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:49:24,398 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:49:24,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:49:24,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:49:24,402 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:49:24,403 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:49:24,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:49:24,406 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:49:24,406 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:49:24,407 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:49:24,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:49:24,408 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:49:24,409 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:49:24,410 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:49:24,411 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:49:24,411 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:49:24,411 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:49:24,411 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:49:24,412 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:49:24,413 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:49:24,414 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:49:24,414 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:49:24,425 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:49:24,425 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:49:24,426 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:49:24,426 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:49:24,426 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:49:24,427 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:49:24,427 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:49:24,427 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:49:24,427 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:49:24,427 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:49:24,427 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:49:24,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:49:24,427 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:49:24,428 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:49:24,428 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:49:24,428 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:49:24,428 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:49:24,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:49:24,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:49:24,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:49:24,428 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:49:24,429 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:49:24,429 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:49:24,429 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:49:24,429 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:49:24,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:49:24,429 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:49:24,429 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:49:24,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:49:24,429 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:49:24,430 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:49:24,430 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:49:24,430 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_072bacce-74ce-43db-9f56-257a5b1c5b3c/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 -> 1c36260bdfb38a7ddcc128caab61da79dda5fd60 [2018-11-18 13:49:24,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:49:24,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:49:24,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:49:24,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:49:24,470 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:49:24,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-18 13:49:24,523 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/data/929380637/ec15e23e784049428ec302f93eabc73a/FLAG134dfdb86 [2018-11-18 13:49:24,952 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:49:24,953 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-18 13:49:24,962 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/data/929380637/ec15e23e784049428ec302f93eabc73a/FLAG134dfdb86 [2018-11-18 13:49:24,974 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/data/929380637/ec15e23e784049428ec302f93eabc73a [2018-11-18 13:49:24,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:49:24,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:49:24,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:49:24,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:49:24,982 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:49:24,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:49:24" (1/1) ... [2018-11-18 13:49:24,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f86fe87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:24, skipping insertion in model container [2018-11-18 13:49:24,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:49:24" (1/1) ... [2018-11-18 13:49:24,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:49:25,040 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:49:25,270 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:49:25,283 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:49:25,428 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:49:25,446 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:49:25,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25 WrapperNode [2018-11-18 13:49:25,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:49:25,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:49:25,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:49:25,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:49:25,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... [2018-11-18 13:49:25,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... [2018-11-18 13:49:25,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:49:25,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:49:25,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:49:25,494 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:49:25,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... [2018-11-18 13:49:25,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... [2018-11-18 13:49:25,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... [2018-11-18 13:49:25,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... [2018-11-18 13:49:25,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... [2018-11-18 13:49:25,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... [2018-11-18 13:49:25,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... [2018-11-18 13:49:25,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:49:25,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:49:25,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:49:25,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:49:25,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/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 13:49:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:49:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:49:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:49:26,606 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:49:26,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:49:26 BoogieIcfgContainer [2018-11-18 13:49:26,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:49:26,607 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:49:26,607 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:49:26,610 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:49:26,611 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:49:26,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:49:24" (1/3) ... [2018-11-18 13:49:26,612 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29f4619a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:49:26, skipping insertion in model container [2018-11-18 13:49:26,612 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:49:26,613 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:25" (2/3) ... [2018-11-18 13:49:26,613 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29f4619a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:49:26, skipping insertion in model container [2018-11-18 13:49:26,613 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:49:26,613 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:49:26" (3/3) ... [2018-11-18 13:49:26,622 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-18 13:49:26,698 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:49:26,699 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:49:26,699 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:49:26,699 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:49:26,699 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:49:26,700 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:49:26,700 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:49:26,700 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:49:26,700 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:49:26,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states. [2018-11-18 13:49:26,750 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2018-11-18 13:49:26,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:49:26,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:49:26,763 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:26,763 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:26,763 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:49:26,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states. [2018-11-18 13:49:26,772 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2018-11-18 13:49:26,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:49:26,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:49:26,774 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:26,774 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 13:49:26,780 INFO L794 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 44];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 77];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 101];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 116];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 104];#memory_int := #memory_int[#t~string41.base,5 + #t~string41.offset := 58];#memory_int := #memory_int[#t~string41.base,6 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 67];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 82];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 73];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 84];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 75];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 41];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 80];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 117];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 109];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 112];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 110];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 32];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 10];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 133#L677true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 38#L670true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 137#L685true main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 139#L641true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 110#L614true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 116#L710-3true [2018-11-18 13:49:26,784 INFO L796 eck$LassoCheckResult]: Loop: 116#L710-3true assume true; 134#L710-1true assume !false; 58#L711true assume test_~splverifierCounter~0 < 4; 162#L712true test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 18#L720true assume !(0 != test_~tmp~5); 4#L720-2true test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 78#L730true assume !(0 != test_~tmp___0~1); 62#L730-2true test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 136#L740true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 54#L970true assume { :end_inline_startSystem } true; 157#L748-2true assume { :begin_inline_timeShift } true; 129#L776true assume !(0 != ~pumpRunning~0); 131#L776-2true assume !(0 != ~systemActive~0); 23#L783-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret35, __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 86#L493true __utac_acc__Specification3_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret35;havoc __utac_acc__Specification3_spec__1_#t~ret35; 61#L419true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 40#L425-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 81#L793true assume { :end_inline_timeShift } true; 116#L710-3true [2018-11-18 13:49:26,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:26,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:49:26,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:26,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:26,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:26,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:26,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:27,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:27,005 INFO L82 PathProgramCache]: Analyzing trace with hash -214410139, now seen corresponding path program 1 times [2018-11-18 13:49:27,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:27,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:27,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:27,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:49:27,069 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 13:49:27,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:49:27,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:49:27,074 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:49:27,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:49:27,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:49:27,090 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 3 states. [2018-11-18 13:49:27,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:49:27,137 INFO L93 Difference]: Finished difference Result 168 states and 221 transitions. [2018-11-18 13:49:27,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:49:27,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 221 transitions. [2018-11-18 13:49:27,142 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2018-11-18 13:49:27,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 158 states and 210 transitions. [2018-11-18 13:49:27,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 158 [2018-11-18 13:49:27,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 158 [2018-11-18 13:49:27,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 158 states and 210 transitions. [2018-11-18 13:49:27,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:49:27,148 INFO L705 BuchiCegarLoop]: Abstraction has 158 states and 210 transitions. [2018-11-18 13:49:27,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states and 210 transitions. [2018-11-18 13:49:27,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-11-18 13:49:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-11-18 13:49:27,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 210 transitions. [2018-11-18 13:49:27,180 INFO L728 BuchiCegarLoop]: Abstraction has 158 states and 210 transitions. [2018-11-18 13:49:27,180 INFO L608 BuchiCegarLoop]: Abstraction has 158 states and 210 transitions. [2018-11-18 13:49:27,180 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:49:27,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 210 transitions. [2018-11-18 13:49:27,182 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2018-11-18 13:49:27,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:49:27,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:49:27,183 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:27,183 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:27,183 INFO L794 eck$LassoCheckResult]: Stem: 493#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 44];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 77];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 101];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 116];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 104];#memory_int := #memory_int[#t~string41.base,5 + #t~string41.offset := 58];#memory_int := #memory_int[#t~string41.base,6 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 67];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 82];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 73];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 84];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 75];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 41];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 80];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 117];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 109];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 112];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 110];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 32];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 10];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 371#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 372#L677 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 410#L670 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 411#L685 main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 499#L641 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 483#L614 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 464#L710-3 [2018-11-18 13:49:27,184 INFO L796 eck$LassoCheckResult]: Loop: 464#L710-3 assume true; 485#L710-1 assume !false; 436#L711 assume test_~splverifierCounter~0 < 4; 437#L712 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 378#L720 assume !(0 != test_~tmp~5); 351#L720-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 352#L730 assume !(0 != test_~tmp___0~1); 413#L730-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 443#L740 assume !(0 != test_~tmp___2~0);test_~tmp___1~1 := test_#t~nondet53;havoc test_#t~nondet53; 498#L748 assume 0 != test_~tmp___1~1; 431#L748-2 assume { :begin_inline_timeShift } true; 494#L776 assume !(0 != ~pumpRunning~0); 495#L776-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 492#L834 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 375#L808-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 376#L800-3 assume { :end_inline_processEnvironment__wrappee__base } true; 380#L808-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 374#L834-1 assume { :end_inline_processEnvironment } true; 386#L783-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret35, __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 387#L493 __utac_acc__Specification3_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret35;havoc __utac_acc__Specification3_spec__1_#t~ret35; 441#L419 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 408#L425-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 414#L793 assume { :end_inline_timeShift } true; 464#L710-3 [2018-11-18 13:49:27,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:27,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:49:27,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:27,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:27,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:27,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:27,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:27,254 INFO L82 PathProgramCache]: Analyzing trace with hash 825984680, now seen corresponding path program 1 times [2018-11-18 13:49:27,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:27,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:27,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,256 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:49:27,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:49:27,315 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 13:49:27,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:49:27,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:49:27,315 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:49:27,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:49:27,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:49:27,316 INFO L87 Difference]: Start difference. First operand 158 states and 210 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-18 13:49:27,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:49:27,474 INFO L93 Difference]: Finished difference Result 222 states and 284 transitions. [2018-11-18 13:49:27,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:49:27,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 284 transitions. [2018-11-18 13:49:27,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 156 [2018-11-18 13:49:27,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 222 states and 284 transitions. [2018-11-18 13:49:27,481 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 222 [2018-11-18 13:49:27,481 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 222 [2018-11-18 13:49:27,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 284 transitions. [2018-11-18 13:49:27,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:49:27,483 INFO L705 BuchiCegarLoop]: Abstraction has 222 states and 284 transitions. [2018-11-18 13:49:27,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 284 transitions. [2018-11-18 13:49:27,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-11-18 13:49:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 13:49:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 284 transitions. [2018-11-18 13:49:27,493 INFO L728 BuchiCegarLoop]: Abstraction has 222 states and 284 transitions. [2018-11-18 13:49:27,493 INFO L608 BuchiCegarLoop]: Abstraction has 222 states and 284 transitions. [2018-11-18 13:49:27,493 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:49:27,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 284 transitions. [2018-11-18 13:49:27,496 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 156 [2018-11-18 13:49:27,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:49:27,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:49:27,497 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:27,497 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:27,497 INFO L794 eck$LassoCheckResult]: Stem: 881#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 44];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 77];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 101];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 116];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 104];#memory_int := #memory_int[#t~string41.base,5 + #t~string41.offset := 58];#memory_int := #memory_int[#t~string41.base,6 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 67];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 82];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 73];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 84];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 75];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 41];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 80];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 117];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 109];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 112];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 110];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 32];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 10];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 757#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 758#L677 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 795#L670 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 796#L685 main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 885#L641 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 871#L614 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 853#L710-3 [2018-11-18 13:49:27,497 INFO L796 eck$LassoCheckResult]: Loop: 853#L710-3 assume true; 874#L710-1 assume !false; 825#L711 assume test_~splverifierCounter~0 < 4; 826#L712 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 763#L720 assume !(0 != test_~tmp~5); 737#L720-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 738#L730 assume !(0 != test_~tmp___0~1); 798#L730-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 832#L740 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 818#L970 assume { :end_inline_startSystem } true; 819#L748-2 assume { :begin_inline_timeShift } true; 882#L776 assume !(0 != ~pumpRunning~0); 883#L776-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 878#L834 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 761#L808-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret73, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 762#L533-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 769#L538-1 isHighWaterLevel_#t~ret73 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret73;havoc isHighWaterLevel_#t~ret73; 770#L936-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 855#L936-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 833#L942-1 processEnvironment__wrappee__highWaterSensor_#t~ret54 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret54;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54; 834#L812-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 866#L800-2 assume { :end_inline_processEnvironment__wrappee__base } true; 765#L808-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 760#L834-1 assume { :end_inline_processEnvironment } true; 771#L783-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret35, __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 772#L493 __utac_acc__Specification3_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret35;havoc __utac_acc__Specification3_spec__1_#t~ret35; 830#L419 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 793#L425-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 799#L793 assume { :end_inline_timeShift } true; 853#L710-3 [2018-11-18 13:49:27,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 13:49:27,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:27,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:27,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:27,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:27,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:27,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1508144289, now seen corresponding path program 1 times [2018-11-18 13:49:27,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:27,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:27,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,560 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:49:27,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:49:27,621 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 13:49:27,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:49:27,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:49:27,622 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:49:27,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:49:27,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:49:27,622 INFO L87 Difference]: Start difference. First operand 222 states and 284 transitions. cyclomatic complexity: 64 Second operand 4 states. [2018-11-18 13:49:27,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:49:27,912 INFO L93 Difference]: Finished difference Result 628 states and 790 transitions. [2018-11-18 13:49:27,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:49:27,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 628 states and 790 transitions. [2018-11-18 13:49:27,916 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 452 [2018-11-18 13:49:27,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 628 states to 628 states and 790 transitions. [2018-11-18 13:49:27,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 628 [2018-11-18 13:49:27,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 628 [2018-11-18 13:49:27,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 628 states and 790 transitions. [2018-11-18 13:49:27,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:49:27,923 INFO L705 BuchiCegarLoop]: Abstraction has 628 states and 790 transitions. [2018-11-18 13:49:27,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states and 790 transitions. [2018-11-18 13:49:27,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 234. [2018-11-18 13:49:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-11-18 13:49:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 296 transitions. [2018-11-18 13:49:27,936 INFO L728 BuchiCegarLoop]: Abstraction has 234 states and 296 transitions. [2018-11-18 13:49:27,936 INFO L608 BuchiCegarLoop]: Abstraction has 234 states and 296 transitions. [2018-11-18 13:49:27,936 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 13:49:27,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 234 states and 296 transitions. [2018-11-18 13:49:27,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 164 [2018-11-18 13:49:27,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:49:27,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:49:27,938 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:27,938 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:27,938 INFO L794 eck$LassoCheckResult]: Stem: 1756#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 44];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 77];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 101];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 116];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 104];#memory_int := #memory_int[#t~string41.base,5 + #t~string41.offset := 58];#memory_int := #memory_int[#t~string41.base,6 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 67];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 82];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 73];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 84];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 75];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 41];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 80];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 117];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 109];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 112];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 110];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 32];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 10];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1618#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 1619#L677 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1659#L670 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 1660#L685 main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 1763#L641 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 1745#L614 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1719#L710-3 [2018-11-18 13:49:27,939 INFO L796 eck$LassoCheckResult]: Loop: 1719#L710-3 assume true; 1793#L710-1 assume !false; 1791#L711 assume test_~splverifierCounter~0 < 4; 1792#L712 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 1806#L720 assume !(0 != test_~tmp~5); 1804#L720-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 1802#L730 assume !(0 != test_~tmp___0~1); 1800#L730-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 1799#L740 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1797#L970 assume { :end_inline_startSystem } true; 1796#L748-2 assume { :begin_inline_timeShift } true; 1757#L776 assume !(0 != ~pumpRunning~0); 1758#L776-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 1755#L834 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 1622#L808-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret73, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 1623#L533-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 1776#L538-1 isHighWaterLevel_#t~ret73 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret73;havoc isHighWaterLevel_#t~ret73; 1746#L936-3 assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; 1720#L936-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 1696#L942-1 processEnvironment__wrappee__highWaterSensor_#t~ret54 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret54;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54; 1697#L812-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 1738#L800-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1777#L808-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1675#L834-1 assume { :end_inline_processEnvironment } true; 1823#L783-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret35, __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 1822#L493 __utac_acc__Specification3_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret35;havoc __utac_acc__Specification3_spec__1_#t~ret35; 1818#L419 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 1816#L425-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1718#L793 assume { :end_inline_timeShift } true; 1719#L710-3 [2018-11-18 13:49:27,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:27,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 13:49:27,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:27,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:27,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:27,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:27,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:27,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1249978851, now seen corresponding path program 1 times [2018-11-18 13:49:27,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:27,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:27,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,984 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:49:27,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:49:28,047 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 13:49:28,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:49:28,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:49:28,048 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:49:28,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:49:28,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:49:28,048 INFO L87 Difference]: Start difference. First operand 234 states and 296 transitions. cyclomatic complexity: 64 Second operand 5 states. [2018-11-18 13:49:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:49:28,214 INFO L93 Difference]: Finished difference Result 568 states and 715 transitions. [2018-11-18 13:49:28,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:49:28,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 568 states and 715 transitions. [2018-11-18 13:49:28,218 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 412 [2018-11-18 13:49:28,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 568 states to 568 states and 715 transitions. [2018-11-18 13:49:28,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 568 [2018-11-18 13:49:28,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 568 [2018-11-18 13:49:28,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 568 states and 715 transitions. [2018-11-18 13:49:28,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:49:28,223 INFO L705 BuchiCegarLoop]: Abstraction has 568 states and 715 transitions. [2018-11-18 13:49:28,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states and 715 transitions. [2018-11-18 13:49:28,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 252. [2018-11-18 13:49:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-11-18 13:49:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 314 transitions. [2018-11-18 13:49:28,232 INFO L728 BuchiCegarLoop]: Abstraction has 252 states and 314 transitions. [2018-11-18 13:49:28,232 INFO L608 BuchiCegarLoop]: Abstraction has 252 states and 314 transitions. [2018-11-18 13:49:28,232 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-18 13:49:28,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 252 states and 314 transitions. [2018-11-18 13:49:28,234 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2018-11-18 13:49:28,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:49:28,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:49:28,235 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:28,235 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:28,235 INFO L794 eck$LassoCheckResult]: Stem: 2555#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 44];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 77];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 101];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 116];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 104];#memory_int := #memory_int[#t~string41.base,5 + #t~string41.offset := 58];#memory_int := #memory_int[#t~string41.base,6 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 67];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 82];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 73];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 84];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 75];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 41];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 80];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 117];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 109];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 112];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 110];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 32];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 10];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 2434#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 2435#L677 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2474#L670 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 2475#L685 main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 2560#L641 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 2545#L614 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2546#L710-3 [2018-11-18 13:49:28,235 INFO L796 eck$LassoCheckResult]: Loop: 2546#L710-3 assume true; 2558#L710-1 assume !false; 2501#L711 assume test_~splverifierCounter~0 < 4; 2502#L712 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 2440#L720 assume !(0 != test_~tmp~5); 2413#L720-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 2414#L730 assume !(0 != test_~tmp___0~1); 2473#L730-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 2508#L740 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2495#L970 assume { :end_inline_startSystem } true; 2496#L748-2 assume { :begin_inline_timeShift } true; 2556#L776 assume !(0 != ~pumpRunning~0); 2557#L776-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 2552#L834 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 2438#L808-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret73, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 2439#L533-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 2576#L538-1 isHighWaterLevel_#t~ret73 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret73;havoc isHighWaterLevel_#t~ret73; 2601#L936-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 2600#L936-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 2598#L942-1 processEnvironment__wrappee__highWaterSensor_#t~ret54 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret54;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54; 2596#L812-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 2577#L800-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2578#L808-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2489#L834-1 assume { :end_inline_processEnvironment } true; 2642#L783-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret35, __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 2641#L493 __utac_acc__Specification3_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret35;havoc __utac_acc__Specification3_spec__1_#t~ret35; 2639#L419 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 2637#L425-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2636#L793 assume { :end_inline_timeShift } true; 2546#L710-3 [2018-11-18 13:49:28,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:28,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 5 times [2018-11-18 13:49:28,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:28,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:28,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:28,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:28,269 INFO L82 PathProgramCache]: Analyzing trace with hash -497027039, now seen corresponding path program 1 times [2018-11-18 13:49:28,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:28,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:28,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,270 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:49:28,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:28,279 INFO L82 PathProgramCache]: Analyzing trace with hash -622761763, now seen corresponding path program 1 times [2018-11-18 13:49:28,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:28,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:28,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:28,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:49:28,374 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 13:49:28,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:49:28,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:49:28,482 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2018-11-18 13:49:28,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:49:28,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:49:28,529 INFO L87 Difference]: Start difference. First operand 252 states and 314 transitions. cyclomatic complexity: 64 Second operand 5 states. [2018-11-18 13:49:28,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:49:28,719 INFO L93 Difference]: Finished difference Result 927 states and 1148 transitions. [2018-11-18 13:49:28,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:49:28,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 927 states and 1148 transitions. [2018-11-18 13:49:28,725 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 691 [2018-11-18 13:49:28,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 927 states to 927 states and 1148 transitions. [2018-11-18 13:49:28,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 927 [2018-11-18 13:49:28,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 927 [2018-11-18 13:49:28,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 927 states and 1148 transitions. [2018-11-18 13:49:28,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:49:28,732 INFO L705 BuchiCegarLoop]: Abstraction has 927 states and 1148 transitions. [2018-11-18 13:49:28,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states and 1148 transitions. [2018-11-18 13:49:28,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 497. [2018-11-18 13:49:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-11-18 13:49:28,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 613 transitions. [2018-11-18 13:49:28,744 INFO L728 BuchiCegarLoop]: Abstraction has 497 states and 613 transitions. [2018-11-18 13:49:28,744 INFO L608 BuchiCegarLoop]: Abstraction has 497 states and 613 transitions. [2018-11-18 13:49:28,744 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-11-18 13:49:28,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 497 states and 613 transitions. [2018-11-18 13:49:28,746 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 352 [2018-11-18 13:49:28,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:49:28,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:49:28,747 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:28,747 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:49:28,747 INFO L794 eck$LassoCheckResult]: Stem: 3761#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 44];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 77];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 101];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 116];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 104];#memory_int := #memory_int[#t~string41.base,5 + #t~string41.offset := 58];#memory_int := #memory_int[#t~string41.base,6 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 67];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 82];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 73];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 84];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 75];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 41];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 80];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 117];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 109];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 112];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 110];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 32];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 10];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 3631#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 3632#L677 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3671#L670 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 3672#L685 main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 3767#L641 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 3751#L614 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3752#L710-3 [2018-11-18 13:49:28,748 INFO L796 eck$LassoCheckResult]: Loop: 3752#L710-3 assume true; 3754#L710-1 assume !false; 3700#L711 assume test_~splverifierCounter~0 < 4; 3701#L712 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 3637#L720 assume !(0 != test_~tmp~5); 3639#L720-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 4099#L730 assume !(0 != test_~tmp___0~1); 4097#L730-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 4095#L740 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 4091#L970 assume { :end_inline_startSystem } true; 3782#L748-2 assume { :begin_inline_timeShift } true; 3783#L776 assume !(0 != ~pumpRunning~0); 4073#L776-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 4071#L834 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 4055#L808-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret73, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 4066#L533-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 4064#L538-1 isHighWaterLevel_#t~ret73 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret73;havoc isHighWaterLevel_#t~ret73; 4063#L936-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 4060#L936-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 4058#L942-1 processEnvironment__wrappee__highWaterSensor_#t~ret54 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret54;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54; 4044#L812-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 4031#L800-2 assume { :end_inline_processEnvironment__wrappee__base } true; 4020#L808-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 4016#L834-1 assume { :end_inline_processEnvironment } true; 4015#L783-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret35, __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 4014#L493 __utac_acc__Specification3_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret35;havoc __utac_acc__Specification3_spec__1_#t~ret35; 4013#L419 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 4004#L525 __utac_acc__Specification3_spec__1_#t~ret36 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 4005#L425 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 4012#L425-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 4011#L793 assume { :end_inline_timeShift } true; 3752#L710-3 [2018-11-18 13:49:28,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:28,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 6 times [2018-11-18 13:49:28,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:28,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:28,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:28,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:28,779 INFO L82 PathProgramCache]: Analyzing trace with hash -900361036, now seen corresponding path program 1 times [2018-11-18 13:49:28,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:28,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:28,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,780 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:49:28,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:49:28,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1472346512, now seen corresponding path program 1 times [2018-11-18 13:49:28,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:49:28,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:49:28,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:49:28,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:49:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:49:28,950 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-11-18 13:50:25,370 WARN L180 SmtUtils]: Spent 56.34 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:50:55,294 WARN L180 SmtUtils]: Spent 29.92 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:50:55,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:50:55 BoogieIcfgContainer [2018-11-18 13:50:55,363 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:50:55,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:50:55,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:50:55,363 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:50:55,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:49:26" (3/4) ... [2018-11-18 13:50:55,366 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:50:55,412 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_072bacce-74ce-43db-9f56-257a5b1c5b3c/bin-2019/uautomizer/witness.graphml [2018-11-18 13:50:55,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:50:55,413 INFO L168 Benchmark]: Toolchain (without parser) took 90435.34 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.0 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -280.0 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:50:55,413 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:50:55,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:50:55,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:50:55,414 INFO L168 Benchmark]: Boogie Preprocessor took 31.24 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 13:50:55,414 INFO L168 Benchmark]: RCFGBuilder took 1081.45 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: 77.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:50:55,414 INFO L168 Benchmark]: BuchiAutomizer took 88755.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -183.9 MB). Peak memory consumption was 360.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:50:55,414 INFO L168 Benchmark]: Witness Printer took 49.08 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:50:55,416 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 467.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.24 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 1081.45 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: 77.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 88755.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -183.9 MB). Peak memory consumption was 360.1 MB. Max. memory is 11.5 GB. * Witness Printer took 49.08 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. 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 5 terminating modules (5 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.5 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 497 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 88.6s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 87.5s. Construction of modules took 0.6s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1140 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 497 states and ocurred in iteration 5. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1425 SDtfs, 2225 SDslu, 2345 SDs, 0 SdLazy, 234 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 710]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, ",Pump:"=0, "Off"=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@160c9990=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b2bd9af=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ab96726=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@173a6b1c=0, ",Meth:"=0, "OK"=0, "On"=0, retValue_acc=0, "CRIT"=0, "\n"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23ab56d9=0, ",Pump:"=12, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ed53cbf=165, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e172388=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1919756d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@281f472f=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56dddaed=0, tmp=0, ",Meth:"=19, "Off"=0, "On"=0, "Off"=8, tmp___1=0, "__utac__get_this_argtype"=26, "__utac__get_this_arg"=29, tmp___0=1, "__utac__get_this_arg"=34, "libacc.c"=27, "Env(Water:%i"=20, cleanupTimeShifts=4, "libacc.c"=23, "OK"=17, tmp=0, tmp=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=15, retValue_acc=0, \result=0, ")"=16, "On"=14, "Pump(System:"=0, \result=1, "i > 0 && i <= this->argsCount"=36, head=0, pumpRunning=0, \result=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=33, tmp=1, "libacc.c"=0, "On"=38, ") "=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, "libacc.c"=31, "\n"=0, retValue_acc=0, tmp=1, tmp___2=165, retValue_acc=1, "i > 0 && i <= this->argsCount"=24, tmp___0=0, splverifierCounter=0, \result=0, ") "=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69ec8de5=0, tmp___1=0, head=0, "libacc.c"=0, "libacc.c"=35, "i > 0 && i <= this->argsCount"=28, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=22, tmp=0, "Env(Water:%i"=0, "libacc.c"=0, "libacc.c"=0, "CRIT"=18, "Off"=11} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 710]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L502] FCALL "Env(Water:%i" [L503] FCALL ",Meth:" [L507] FCALL "CRIT" [L511] FCALL "OK" [L515] FCALL ")" [L896] FCALL "Pump(System:" [L900] FCALL "On" [L904] FCALL "Off" [L908] FCALL ",Pump:" [L912] FCALL "On" [L916] FCALL "Off" [L920] FCALL ") " [L922] FCALL "\n" [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L553] int cleanupTimeShifts = 4; [L769] int pumpRunning = 0; [L770] int systemActive = 1; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L632] int retValue_acc ; [L633] int tmp ; [L637] FCALL select_helpers() [L638] FCALL select_features() [L639] CALL, EXPR valid_product() [L681] int retValue_acc ; [L684] retValue_acc = 1 [L685] RET return (retValue_acc); [L639] EXPR valid_product() [L639] tmp = valid_product() [L641] COND TRUE \read(tmp) [L643] FCALL setup() [L644] CALL runTest() [L623] CALL test() [L701] int splverifierCounter ; [L702] int tmp ; [L703] int tmp___0 ; [L704] int tmp___1 ; [L705] int tmp___2 ; [L708] splverifierCounter = 0 Loop: [L710] COND TRUE 1 [L712] COND TRUE splverifierCounter < 4 [L718] tmp = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp)) [L728] tmp___0 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___0)) [L738] tmp___2 = __VERIFIER_nondet_int() [L740] COND TRUE \read(tmp___2) [L742] CALL startSystem() [L969] RET systemActive = 1 [L742] startSystem() [L755] CALL timeShift() [L776] COND FALSE !(\read(pumpRunning)) [L783] COND TRUE \read(systemActive) [L785] CALL processEnvironment() [L831] int tmp ; [L834] COND FALSE !(\read(pumpRunning)) [L849] CALL processEnvironment__wrappee__highWaterSensor() [L805] int tmp ; [L808] COND TRUE ! pumpRunning [L810] CALL, EXPR isHighWaterLevel() [L928] int retValue_acc ; [L929] int tmp ; [L930] int tmp___0 ; [L934] CALL, EXPR isHighWaterSensorDry() [L530] int retValue_acc ; [L533] COND TRUE waterLevel < 2 [L534] retValue_acc = 1 [L535] RET return (retValue_acc); [L934] EXPR isHighWaterSensorDry() [L934] tmp = isHighWaterSensorDry() [L936] COND TRUE \read(tmp) [L937] tmp___0 = 0 [L941] retValue_acc = tmp___0 [L942] RET return (retValue_acc); [L810] EXPR isHighWaterLevel() [L810] tmp = isHighWaterLevel() [L812] COND FALSE !(\read(tmp)) [L818] RET, FCALL processEnvironment__wrappee__base() [L849] RET processEnvironment__wrappee__highWaterSensor() [L785] processEnvironment() [L791] CALL __utac_acc__Specification3_spec__1() [L411] int tmp ; [L412] int tmp___0 ; [L413] int tmp___1 ; [L417] CALL, EXPR isMethaneLevelCritical() [L489] int retValue_acc ; [L492] retValue_acc = methaneLevelCritical [L493] RET return (retValue_acc); [L417] EXPR isMethaneLevelCritical() [L417] tmp = isMethaneLevelCritical() [L419] COND FALSE !(\read(tmp)) [L423] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] RET return (retValue_acc); [L423] EXPR getWaterLevel() [L423] tmp___0 = getWaterLevel() [L425] COND FALSE, RET !(tmp___0 == 2) [L791] RET __utac_acc__Specification3_spec__1() [L755] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...