./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/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 c762bce629f36cf7371b941fff55f6d65cb160f7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:21:39,941 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:21:39,943 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:21:39,951 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:21:39,951 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:21:39,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:21:39,952 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:21:39,954 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:21:39,955 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:21:39,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:21:39,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:21:39,956 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:21:39,957 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:21:39,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:21:39,959 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:21:39,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:21:39,960 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:21:39,961 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:21:39,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:21:39,964 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:21:39,965 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:21:39,966 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:21:39,968 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:21:39,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:21:39,968 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:21:39,969 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:21:39,970 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:21:39,970 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:21:39,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:21:39,972 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:21:39,972 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:21:39,973 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:21:39,973 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:21:39,973 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:21:39,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:21:39,974 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:21:39,974 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:21:39,985 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:21:39,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:21:39,986 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:21:39,987 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:21:39,987 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:21:39,987 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:21:39,987 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:21:39,987 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:21:39,987 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:21:39,988 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:21:39,988 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:21:39,988 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:21:39,988 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:21:39,988 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:21:39,988 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:21:39,988 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:21:39,988 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:21:39,988 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:21:39,989 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:21:39,989 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:21:39,989 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:21:39,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:21:39,989 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:21:39,989 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:21:39,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:21:39,989 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:21:39,989 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:21:39,990 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:21:39,990 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:21:39,990 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:21:39,990 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:21:39,990 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:21:39,991 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_4ff5a137-d02c-465d-a60f-55f07c900ff1/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 -> c762bce629f36cf7371b941fff55f6d65cb160f7 [2018-11-18 16:21:40,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:21:40,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:21:40,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:21:40,026 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:21:40,026 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:21:40,027 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product06_false-unreach-call_false-termination.cil.c [2018-11-18 16:21:40,063 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/data/ef6bec786/2866261d95134237ace8b96b25bca6e2/FLAG72032d90b [2018-11-18 16:21:40,416 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:21:40,417 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/sv-benchmarks/c/product-lines/minepump_spec3_product06_false-unreach-call_false-termination.cil.c [2018-11-18 16:21:40,424 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/data/ef6bec786/2866261d95134237ace8b96b25bca6e2/FLAG72032d90b [2018-11-18 16:21:40,432 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/data/ef6bec786/2866261d95134237ace8b96b25bca6e2 [2018-11-18 16:21:40,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:21:40,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:21:40,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:21:40,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:21:40,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:21:40,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1177d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40, skipping insertion in model container [2018-11-18 16:21:40,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:21:40,487 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:21:40,692 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:21:40,700 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:21:40,805 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:21:40,826 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:21:40,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40 WrapperNode [2018-11-18 16:21:40,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:21:40,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:21:40,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:21:40,827 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:21:40,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:21:40,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:21:40,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:21:40,877 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:21:40,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... [2018-11-18 16:21:40,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:21:40,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:21:40,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:21:40,905 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:21:40,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/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 16:21:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:21:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:21:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:21:41,468 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:21:41,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:21:41 BoogieIcfgContainer [2018-11-18 16:21:41,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:21:41,469 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:21:41,469 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:21:41,471 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:21:41,472 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:21:41,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:21:40" (1/3) ... [2018-11-18 16:21:41,473 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@465c1b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:21:41, skipping insertion in model container [2018-11-18 16:21:41,473 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:21:41,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:40" (2/3) ... [2018-11-18 16:21:41,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@465c1b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:21:41, skipping insertion in model container [2018-11-18 16:21:41,474 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:21:41,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:21:41" (3/3) ... [2018-11-18 16:21:41,475 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product06_false-unreach-call_false-termination.cil.c [2018-11-18 16:21:41,520 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:21:41,521 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:21:41,521 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:21:41,521 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:21:41,521 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:21:41,521 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:21:41,521 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:21:41,521 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:21:41,521 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:21:41,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states. [2018-11-18 16:21:41,558 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 16:21:41,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:21:41,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:21:41,565 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:41,565 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 16:21:41,565 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:21:41,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states. [2018-11-18 16:21:41,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 16:21:41,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:21:41,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:21:41,570 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:41,570 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 16:21:41,574 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(13);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 44];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 77];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 101];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 116];#memory_int := #memory_int[#t~string26.base,4 + #t~string26.offset := 104];#memory_int := #memory_int[#t~string26.base,5 + #t~string26.offset := 58];#memory_int := #memory_int[#t~string26.base,6 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 67];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 82];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 73];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 84];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 79];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 75];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 41];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 90#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 48#L67true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 83#L82true main_#t~ret33 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 56#L471true assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 102#L448true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 54#L251-3true [2018-11-18 16:21:41,575 INFO L796 eck$LassoCheckResult]: Loop: 54#L251-3true assume true; 51#L251-1true assume !false; 5#L252true assume test_~splverifierCounter~0 < 4; 64#L253true test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 81#L261true assume !(0 != test_~tmp~1); 97#L261-2true test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 16#L271true assume !(0 != test_~tmp___0~0); 34#L271-2true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 62#L281true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 67#L234true assume { :end_inline_startSystem } true; 66#L289-2true assume { :begin_inline_timeShift } true; 84#L104true assume !(0 != ~pumpRunning~0); 82#L104-2true assume !(0 != ~systemActive~0); 49#L111-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 88#L352-1true __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 33#L860true assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 7#L866-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 79#L121true assume { :end_inline_timeShift } true; 54#L251-3true [2018-11-18 16:21:41,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:41,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:21:41,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:41,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:41,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:41,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:41,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:41,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1861797957, now seen corresponding path program 1 times [2018-11-18 16:21:41,737 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:41,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:41,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:41,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:21:41,769 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 16:21:41,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:21:41,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:21:41,774 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:21:41,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:21:41,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:21:41,785 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 3 states. [2018-11-18 16:21:41,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:21:41,815 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2018-11-18 16:21:41,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:21:41,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 128 transitions. [2018-11-18 16:21:41,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 16:21:41,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 92 states and 117 transitions. [2018-11-18 16:21:41,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2018-11-18 16:21:41,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2018-11-18 16:21:41,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 117 transitions. [2018-11-18 16:21:41,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:21:41,829 INFO L705 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2018-11-18 16:21:41,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 117 transitions. [2018-11-18 16:21:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-18 16:21:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 16:21:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 117 transitions. [2018-11-18 16:21:41,861 INFO L728 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2018-11-18 16:21:41,861 INFO L608 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2018-11-18 16:21:41,861 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:21:41,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 117 transitions. [2018-11-18 16:21:41,862 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 16:21:41,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:21:41,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:21:41,863 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:41,863 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:41,863 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(13);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 44];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 77];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 101];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 116];#memory_int := #memory_int[#t~string26.base,4 + #t~string26.offset := 104];#memory_int := #memory_int[#t~string26.base,5 + #t~string26.offset := 58];#memory_int := #memory_int[#t~string26.base,6 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 67];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 82];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 73];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 84];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 79];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 75];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 41];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 238#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 239#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 300#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 296#L82 main_#t~ret33 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 224#L471 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 225#L448 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 291#L251-3 [2018-11-18 16:21:41,863 INFO L796 eck$LassoCheckResult]: Loop: 291#L251-3 assume true; 305#L251-1 assume !false; 226#L252 assume test_~splverifierCounter~0 < 4; 227#L253 test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 265#L261 assume !(0 != test_~tmp~1); 294#L261-2 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 249#L271 assume !(0 != test_~tmp___0~0); 251#L271-2 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 246#L281 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 247#L234 assume { :end_inline_startSystem } true; 278#L289-2 assume { :begin_inline_timeShift } true; 279#L104 assume !(0 != ~pumpRunning~0); 253#L104-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 267#L136 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 269#L128-1 assume { :end_inline_processEnvironment__wrappee__base } true; 262#L136-1 assume { :end_inline_processEnvironment } true; 263#L111-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 297#L352-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 284#L860 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 221#L866-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 229#L121 assume { :end_inline_timeShift } true; 291#L251-3 [2018-11-18 16:21:41,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:41,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:21:41,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:41,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:41,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:41,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:41,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:41,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1176246345, now seen corresponding path program 1 times [2018-11-18 16:21:41,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:41,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:41,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,919 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:21:41,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:41,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:41,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1627915525, now seen corresponding path program 1 times [2018-11-18 16:21:41,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:41,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:41,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:41,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:21:42,028 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 16:21:42,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:21:42,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:21:42,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:21:42,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:21:42,104 INFO L87 Difference]: Start difference. First operand 92 states and 117 transitions. cyclomatic complexity: 27 Second operand 5 states. [2018-11-18 16:21:42,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:21:42,289 INFO L93 Difference]: Finished difference Result 318 states and 407 transitions. [2018-11-18 16:21:42,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:21:42,290 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 407 transitions. [2018-11-18 16:21:42,294 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 225 [2018-11-18 16:21:42,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 407 transitions. [2018-11-18 16:21:42,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2018-11-18 16:21:42,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2018-11-18 16:21:42,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 407 transitions. [2018-11-18 16:21:42,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:21:42,299 INFO L705 BuchiCegarLoop]: Abstraction has 318 states and 407 transitions. [2018-11-18 16:21:42,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 407 transitions. [2018-11-18 16:21:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 177. [2018-11-18 16:21:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-11-18 16:21:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 223 transitions. [2018-11-18 16:21:42,311 INFO L728 BuchiCegarLoop]: Abstraction has 177 states and 223 transitions. [2018-11-18 16:21:42,311 INFO L608 BuchiCegarLoop]: Abstraction has 177 states and 223 transitions. [2018-11-18 16:21:42,311 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:21:42,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 223 transitions. [2018-11-18 16:21:42,312 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 126 [2018-11-18 16:21:42,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:21:42,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:21:42,313 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:42,313 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 16:21:42,313 INFO L794 eck$LassoCheckResult]: Stem: 711#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(13);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 44];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 77];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 101];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 116];#memory_int := #memory_int[#t~string26.base,4 + #t~string26.offset := 104];#memory_int := #memory_int[#t~string26.base,5 + #t~string26.offset := 58];#memory_int := #memory_int[#t~string26.base,6 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 67];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 82];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 73];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 84];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 79];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 75];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 41];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 666#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 667#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 738#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 730#L82 main_#t~ret33 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 652#L471 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 653#L448 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 753#L251-3 [2018-11-18 16:21:42,314 INFO L796 eck$LassoCheckResult]: Loop: 753#L251-3 assume true; 748#L251-1 assume !false; 654#L252 assume test_~splverifierCounter~0 < 4; 655#L253 test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 693#L261 assume !(0 != test_~tmp~1); 728#L261-2 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 817#L271 assume !(0 != test_~tmp___0~0); 815#L271-2 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 814#L281 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 812#L234 assume { :end_inline_startSystem } true; 811#L289-2 assume { :begin_inline_timeShift } true; 731#L104 assume !(0 != ~pumpRunning~0); 681#L104-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 695#L136 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 697#L128-1 assume { :end_inline_processEnvironment__wrappee__base } true; 690#L136-1 assume { :end_inline_processEnvironment } true; 691#L111-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 732#L352-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 733#L860 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 700#L384 __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 701#L866 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 799#L866-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 798#L121 assume { :end_inline_timeShift } true; 753#L251-3 [2018-11-18 16:21:42,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:42,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 16:21:42,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:42,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:42,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:42,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:42,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:42,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:42,350 INFO L82 PathProgramCache]: Analyzing trace with hash 797589884, now seen corresponding path program 1 times [2018-11-18 16:21:42,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:42,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:42,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:42,351 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:21:42,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:42,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:42,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1059974968, now seen corresponding path program 1 times [2018-11-18 16:21:42,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:42,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:42,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:42,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:42,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:22:24,873 WARN L180 SmtUtils]: Spent 42.37 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:22:35,771 WARN L180 SmtUtils]: Spent 10.90 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:22:35,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:22:35 BoogieIcfgContainer [2018-11-18 16:22:35,831 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:22:35,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:22:35,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:22:35,832 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:22:35,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:21:41" (3/4) ... [2018-11-18 16:22:35,836 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:22:35,884 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4ff5a137-d02c-465d-a60f-55f07c900ff1/bin-2019/uautomizer/witness.graphml [2018-11-18 16:22:35,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:22:35,885 INFO L168 Benchmark]: Toolchain (without parser) took 55450.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 957.5 MB in the beginning and 995.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 124.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:35,885 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:22:35,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:35,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.91 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 16:22:35,886 INFO L168 Benchmark]: Boogie Preprocessor took 28.50 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 16:22:35,886 INFO L168 Benchmark]: RCFGBuilder took 563.80 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:35,886 INFO L168 Benchmark]: BuchiAutomizer took 54362.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.8 MB). Peak memory consumption was 199.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:35,887 INFO L168 Benchmark]: Witness Printer took 52.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:35,889 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.91 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. * Boogie Preprocessor took 28.50 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. * RCFGBuilder took 563.80 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54362.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.8 MB). Peak memory consumption was 199.7 MB. Max. memory is 11.5 GB. * Witness Printer took 52.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 177 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 54.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 53.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 177 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 283 SDtfs, 520 SDslu, 482 SDs, 0 SdLazy, 86 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 251]: 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, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ",Pump:"=16, "i > 0 && i <= this->argsCount"=33, "__utac__get_this_argtype"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=37, "i > 0 && i <= this->argsCount"=38, "libacc.c"=34, methaneLevelCritical=0, "Off"=15, "libacc.c"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1598c0d=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72583840=0, "Pump(System:"=0, "Off"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68ba9c7=0, "CRIT"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6767fc93=0, cleanupTimeShifts=4, tmp=0, "Off"=18, "libacc.c"=29, tmp___0=1, tmp=0, NULL=0, systemActive=1, waterLevel=1, \result=1, ")"=0, "OK"=0, "Off"=0, "On"=0, "On"=17, ",Pump:"=0, retValue_acc=0, "__utac__get_this_arg"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "libacc.c"=0, "Pump(System:"=14, \result=1, "\n"=20, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37896e08=0, "__utac__get_this_arg"=11, \result=0, "i > 0 && i <= this->argsCount"=28, "__utac__get_this_argtype"=40, tmp=1, ") "=0, "\n"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c414734=0, "i > 0 && i <= this->argsCount"=35, retValue_acc=1, tmp___2=167, "OK"=26, ",Meth:"=23, retValue_acc=1, splverifierCounter=0, \result=0, "On"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c313ac2=0, tmp=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@378c84ec=167, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b74549f=0, ",Meth:"=0, "CRIT"=0, "Env(Water:%i"=22, "Env(Water:%i"=0, ")"=27, ") "=19, "libacc.c"=36, "__utac__get_this_arg"=31, "libacc.c"=39} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 251]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L198] FCALL "Pump(System:" [L202] FCALL "On" [L206] FCALL "Off" [L210] FCALL ",Pump:" [L214] FCALL "On" [L218] FCALL "Off" [L222] FCALL ") " [L224] FCALL "\n" [L361] FCALL "Env(Water:%i" [L362] FCALL ",Meth:" [L366] FCALL "CRIT" [L370] FCALL "OK" [L374] FCALL ")" [L782] FCALL "i > 0 && i <= this->argsCount" [L782] FCALL "libacc.c" [L783] FCALL "__utac__get_this_arg" [L789] FCALL "i > 0 && i <= this->argsCount" [L789] FCALL "libacc.c" [L790] FCALL "__utac__get_this_arg" [L828] FCALL "i > 0 && i <= this->argsCount" [L828] FCALL "libacc.c" [L829] FCALL "__utac__get_this_argtype" [L835] FCALL "i > 0 && i <= this->argsCount" [L835] FCALL "libacc.c" [L836] FCALL "__utac__get_this_argtype" [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L389] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L469] EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L456] CALL test() [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 Loop: [L251] COND TRUE 1 [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp)) [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L283] CALL startSystem() [L233] RET systemActive = 1 [L283] startSystem() [L296] CALL timeShift() [L104] COND FALSE !(\read(pumpRunning)) [L111] COND TRUE \read(systemActive) [L113] CALL processEnvironment() [L133] int tmp ; [L136] COND FALSE !(\read(pumpRunning)) [L151] RET, FCALL processEnvironment__wrappee__base() [L113] processEnvironment() [L119] CALL __utac_acc__Specification3_spec__1() [L852] int tmp ; [L853] int tmp___0 ; [L854] int tmp___1 ; [L858] CALL, EXPR isMethaneLevelCritical() [L348] int retValue_acc ; [L351] retValue_acc = methaneLevelCritical [L352] RET return (retValue_acc); [L858] EXPR isMethaneLevelCritical() [L858] tmp = isMethaneLevelCritical() [L860] COND FALSE !(\read(tmp)) [L864] CALL, EXPR getWaterLevel() [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] RET return (retValue_acc); [L864] EXPR getWaterLevel() [L864] tmp___0 = getWaterLevel() [L866] COND FALSE, RET !(tmp___0 == 2) [L119] RET __utac_acc__Specification3_spec__1() [L296] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...