./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product35_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_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/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 dc08a0b643f05bf554ed8bba095ffb3efc1cc232 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:22:17,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:22:17,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:22:17,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:22:17,709 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:22:17,709 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:22:17,710 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:22:17,711 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:22:17,712 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:22:17,713 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:22:17,714 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:22:17,714 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:22:17,715 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:22:17,715 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:22:17,716 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:22:17,716 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:22:17,716 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:22:17,717 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:22:17,719 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:22:17,720 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:22:17,721 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:22:17,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:22:17,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:22:17,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:22:17,723 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:22:17,723 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:22:17,724 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:22:17,724 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:22:17,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:22:17,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:22:17,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:22:17,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:22:17,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:22:17,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:22:17,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:22:17,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:22:17,728 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 17:22:17,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:22:17,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:22:17,737 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:22:17,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:22:17,738 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 17:22:17,738 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 17:22:17,738 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 17:22:17,738 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 17:22:17,738 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 17:22:17,738 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 17:22:17,738 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 17:22:17,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:22:17,739 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:22:17,739 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 17:22:17,739 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:22:17,739 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:22:17,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:22:17,739 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 17:22:17,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 17:22:17,740 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 17:22:17,740 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:22:17,740 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:22:17,740 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 17:22:17,740 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:22:17,740 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 17:22:17,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:22:17,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:22:17,741 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 17:22:17,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:22:17,741 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 17:22:17,741 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 17:22:17,742 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 17:22:17,742 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_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/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 -> dc08a0b643f05bf554ed8bba095ffb3efc1cc232 [2018-11-18 17:22:17,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:22:17,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:22:17,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:22:17,782 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:22:17,782 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:22:17,782 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product35_false-unreach-call_false-termination.cil.c [2018-11-18 17:22:17,824 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/data/ac56cd265/fd72ebc97dfe4bdfb0d095c76b0c7fac/FLAGa473bff82 [2018-11-18 17:22:18,192 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:22:18,192 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/sv-benchmarks/c/product-lines/minepump_spec1_product35_false-unreach-call_false-termination.cil.c [2018-11-18 17:22:18,202 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/data/ac56cd265/fd72ebc97dfe4bdfb0d095c76b0c7fac/FLAGa473bff82 [2018-11-18 17:22:18,587 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/data/ac56cd265/fd72ebc97dfe4bdfb0d095c76b0c7fac [2018-11-18 17:22:18,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:22:18,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:22:18,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:22:18,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:22:18,593 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:22:18,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6174bd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18, skipping insertion in model container [2018-11-18 17:22:18,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:22:18,633 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:22:18,822 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:22:18,831 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:22:18,925 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:22:18,940 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:22:18,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18 WrapperNode [2018-11-18 17:22:18,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:22:18,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:22:18,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:22:18,941 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:22:18,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:22:18,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:22:18,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:22:18,976 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:22:18,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:18,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... [2018-11-18 17:22:19,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:22:19,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:22:19,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:22:19,001 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:22:19,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/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 17:22:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:22:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:22:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:22:19,495 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:22:19,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:22:19 BoogieIcfgContainer [2018-11-18 17:22:19,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:22:19,497 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 17:22:19,497 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 17:22:19,499 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 17:22:19,500 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 17:22:19,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 05:22:18" (1/3) ... [2018-11-18 17:22:19,501 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17e82e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 05:22:19, skipping insertion in model container [2018-11-18 17:22:19,501 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 17:22:19,501 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:22:18" (2/3) ... [2018-11-18 17:22:19,502 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17e82e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 05:22:19, skipping insertion in model container [2018-11-18 17:22:19,502 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 17:22:19,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:22:19" (3/3) ... [2018-11-18 17:22:19,503 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product35_false-unreach-call_false-termination.cil.c [2018-11-18 17:22:19,539 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:22:19,539 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 17:22:19,539 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 17:22:19,539 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 17:22:19,539 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:22:19,539 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:22:19,539 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 17:22:19,540 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:22:19,540 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 17:22:19,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states. [2018-11-18 17:22:19,572 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 17:22:19,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:22:19,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:22:19,577 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:22:19,577 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:22:19,577 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 17:22:19,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states. [2018-11-18 17:22:19,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 17:22:19,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:22:19,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:22:19,581 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:22:19,581 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:22:19,584 INFO L794 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];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~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 9#L442true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72#L435true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 13#L450true main_#t~ret36 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; 54#L537true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 103#L514true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 57#L190-3true [2018-11-18 17:22:19,585 INFO L796 eck$LassoCheckResult]: Loop: 57#L190-3true assume true; 66#L190-1true assume !false; 33#L191true assume test_~splverifierCounter~0 < 4; 110#L192true test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 107#L200true assume !(0 != test_~tmp~1); 102#L200-2true test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 29#L210true assume !(0 != test_~tmp___0~1); 24#L210-2true test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 85#L220true assume 0 != test_~tmp___2~0; 73#L226-2true assume { :begin_inline_timeShift } true; 36#L257true assume !(0 != ~pumpRunning~0); 34#L257-2true assume !(0 != ~systemActive~0); 86#L264-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 100#L90true __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 109#L159true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 98#L159-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 5#L274true assume { :end_inline_timeShift } true; 57#L190-3true [2018-11-18 17:22:19,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:19,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 17:22:19,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:22:19,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:22:19,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:19,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:22:19,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:19,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:19,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1175262707, now seen corresponding path program 1 times [2018-11-18 17:22:19,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:22:19,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:22:19,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:19,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:22:19,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:19,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:19,767 INFO L82 PathProgramCache]: Analyzing trace with hash 243581103, now seen corresponding path program 1 times [2018-11-18 17:22:19,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:22:19,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:22:19,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:19,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:22:19,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:22:19,898 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 17:22:19,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:22:19,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:22:19,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:22:19,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:22:19,989 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 6 states. [2018-11-18 17:22:20,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:22:20,152 INFO L93 Difference]: Finished difference Result 275 states and 353 transitions. [2018-11-18 17:22:20,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:22:20,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 353 transitions. [2018-11-18 17:22:20,161 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 177 [2018-11-18 17:22:20,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 245 states and 323 transitions. [2018-11-18 17:22:20,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 245 [2018-11-18 17:22:20,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 245 [2018-11-18 17:22:20,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 245 states and 323 transitions. [2018-11-18 17:22:20,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 17:22:20,171 INFO L705 BuchiCegarLoop]: Abstraction has 245 states and 323 transitions. [2018-11-18 17:22:20,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states and 323 transitions. [2018-11-18 17:22:20,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 152. [2018-11-18 17:22:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 17:22:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 200 transitions. [2018-11-18 17:22:20,205 INFO L728 BuchiCegarLoop]: Abstraction has 152 states and 200 transitions. [2018-11-18 17:22:20,205 INFO L608 BuchiCegarLoop]: Abstraction has 152 states and 200 transitions. [2018-11-18 17:22:20,205 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 17:22:20,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states and 200 transitions. [2018-11-18 17:22:20,207 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 110 [2018-11-18 17:22:20,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:22:20,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:22:20,208 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:22:20,208 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] [2018-11-18 17:22:20,208 INFO L794 eck$LassoCheckResult]: Stem: 494#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];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~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 409#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 410#L442 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 414#L435 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 423#L450 main_#t~ret36 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; 424#L537 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 477#L514 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 408#L190-3 [2018-11-18 17:22:20,208 INFO L796 eck$LassoCheckResult]: Loop: 408#L190-3 assume true; 479#L190-1 assume !false; 450#L191 assume test_~splverifierCounter~0 < 4; 451#L192 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 502#L200 assume !(0 != test_~tmp~1); 412#L200-2 test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 444#L210 assume !(0 != test_~tmp___0~1); 440#L210-2 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 441#L220 assume 0 != test_~tmp___2~0; 485#L226-2 assume { :begin_inline_timeShift } true; 454#L257 assume !(0 != ~pumpRunning~0); 449#L257-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 452#L289 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 490#L281-1 assume { :end_inline_processEnvironment__wrappee__base } true; 434#L289-1 assume { :end_inline_processEnvironment } true; 492#L264-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 493#L90 __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 499#L159 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 474#L159-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 407#L274 assume { :end_inline_timeShift } true; 408#L190-3 [2018-11-18 17:22:20,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:20,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 17:22:20,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:22:20,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:22:20,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:22:20,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:20,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:20,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1059393376, now seen corresponding path program 1 times [2018-11-18 17:22:20,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:22:20,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:22:20,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,254 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 17:22:20,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:22:20,267 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 17:22:20,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:22:20,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:22:20,267 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 17:22:20,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:22:20,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:22:20,268 INFO L87 Difference]: Start difference. First operand 152 states and 200 transitions. cyclomatic complexity: 51 Second operand 3 states. [2018-11-18 17:22:20,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:22:20,350 INFO L93 Difference]: Finished difference Result 201 states and 253 transitions. [2018-11-18 17:22:20,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:22:20,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 253 transitions. [2018-11-18 17:22:20,354 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2018-11-18 17:22:20,355 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 201 states and 253 transitions. [2018-11-18 17:22:20,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 201 [2018-11-18 17:22:20,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 201 [2018-11-18 17:22:20,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 253 transitions. [2018-11-18 17:22:20,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 17:22:20,357 INFO L705 BuchiCegarLoop]: Abstraction has 201 states and 253 transitions. [2018-11-18 17:22:20,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 253 transitions. [2018-11-18 17:22:20,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-11-18 17:22:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-18 17:22:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 253 transitions. [2018-11-18 17:22:20,366 INFO L728 BuchiCegarLoop]: Abstraction has 201 states and 253 transitions. [2018-11-18 17:22:20,366 INFO L608 BuchiCegarLoop]: Abstraction has 201 states and 253 transitions. [2018-11-18 17:22:20,366 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 17:22:20,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 201 states and 253 transitions. [2018-11-18 17:22:20,368 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2018-11-18 17:22:20,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:22:20,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:22:20,370 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:22:20,370 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] [2018-11-18 17:22:20,370 INFO L794 eck$LassoCheckResult]: Stem: 862#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];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~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 768#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 769#L442 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 773#L435 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 781#L450 main_#t~ret36 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; 782#L537 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 841#L514 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 767#L190-3 [2018-11-18 17:22:20,370 INFO L796 eck$LassoCheckResult]: Loop: 767#L190-3 assume true; 843#L190-1 assume !false; 811#L191 assume test_~splverifierCounter~0 < 4; 812#L192 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 872#L200 assume !(0 != test_~tmp~1); 771#L200-2 test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 804#L210 assume !(0 != test_~tmp___0~1); 798#L210-2 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 799#L220 assume 0 != test_~tmp___2~0; 851#L226-2 assume { :begin_inline_timeShift } true; 815#L257 assume !(0 != ~pumpRunning~0); 816#L257-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 864#L289 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 835#L130 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 836#L135 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 846#L391 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~2 := 0; 854#L391-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 820#L397 processEnvironment_#t~ret16 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2 := processEnvironment_#t~ret16;havoc processEnvironment_#t~ret16; 776#L293 assume !(0 != processEnvironment_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 778#L281 assume { :end_inline_processEnvironment__wrappee__base } true; 857#L289-1 assume { :end_inline_processEnvironment } true; 860#L264-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 861#L90 __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 869#L159 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 838#L159-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 766#L274 assume { :end_inline_timeShift } true; 767#L190-3 [2018-11-18 17:22:20,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:20,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 17:22:20,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:22:20,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:22:20,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:22:20,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:20,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:20,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1792862440, now seen corresponding path program 1 times [2018-11-18 17:22:20,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:22:20,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:22:20,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,411 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 17:22:20,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:20,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:22:20,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1666421164, now seen corresponding path program 1 times [2018-11-18 17:22:20,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:22:20,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:22:20,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:22:20,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:22:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:22:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:23:36,327 WARN L180 SmtUtils]: Spent 1.26 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 17:24:05,704 WARN L180 SmtUtils]: Spent 29.38 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 17:24:05,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 05:24:05 BoogieIcfgContainer [2018-11-18 17:24:05,769 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 17:24:05,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:24:05,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:24:05,770 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:24:05,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:22:19" (3/4) ... [2018-11-18 17:24:05,772 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 17:24:05,811 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ed4fdd20-ae24-4b80-ada4-9a3247df1a85/bin-2019/uautomizer/witness.graphml [2018-11-18 17:24:05,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:24:05,811 INFO L168 Benchmark]: Toolchain (without parser) took 107221.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 956.6 MB in the beginning and 811.8 MB in the end (delta: 144.8 MB). Peak memory consumption was 357.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:05,812 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:24:05,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:05,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.05 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:05,812 INFO L168 Benchmark]: Boogie Preprocessor took 24.47 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 17:24:05,813 INFO L168 Benchmark]: RCFGBuilder took 495.81 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: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:05,813 INFO L168 Benchmark]: BuchiAutomizer took 106272.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 811.8 MB in the end (delta: 253.1 MB). Peak memory consumption was 319.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:24:05,813 INFO L168 Benchmark]: Witness Printer took 41.49 ms. Allocated memory is still 1.2 GB. Free memory is still 811.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:24:05,814 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.05 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.47 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 495.81 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: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 106272.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 811.8 MB in the end (delta: 253.1 MB). Peak memory consumption was 319.1 MB. Max. memory is 11.5 GB. * Witness Printer took 41.49 ms. Allocated memory is still 1.2 GB. Free memory is still 811.8 MB. 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 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 6 locations. The remainder module has 201 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 106.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 105.8s. 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, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 201 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 280 SDtfs, 610 SDslu, 773 SDs, 0 SdLazy, 64 SolverSat, 23 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: 190]: 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, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=22, "Env(Water:%i"=38, "OK"=35, "__utac__get_this_arg"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=15, "libacc.c"=20, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "\n"=23, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37a626e2=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, tmp___1=0, "Off"=26, "Off"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@477d8000=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, ",Pump:"=28, ") "=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79340515=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5675eac1=0, ",Pump:"=0, "Off"=0, "On"=0, "On"=0, "Off"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=39, "i > 0 && i <= this->argsCount"=18, \result=0, "__utac__get_this_arg"=16, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, \result=1, head=0, pumpRunning=0, "__utac__get_this_arg"=19, \result=0, "On"=31, tmp=1, "Pump(System:"=0, "__utac__get_this_argtype"=12, retValue_acc=1, "\n"=0, tmp=0, \result=1, "i > 0 && i <= this->argsCount"=11, retValue_acc=1, tmp=1, "CRIT"=36, tmp___2=157, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "libacc.c"=0, ")"=0, "OK"=0, "CRIT"=0, \result=0, ")"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@889cb1f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e31bbdc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@565c59e6=157, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44c0e75f=0, "libacc.c"=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e6cb261=0, tmp=0, head=0, "Pump(System:"=33, "On"=27, ",Meth:"=37, ") "=0, "libacc.c"=14} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 190]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L351] FCALL "Pump(System:" [L355] FCALL "On" [L359] FCALL "Off" [L363] FCALL ",Pump:" [L367] FCALL "On" [L371] FCALL "Off" [L375] FCALL ") " [L377] FCALL "\n" [L848] FCALL "i > 0 && i <= this->argsCount" [L848] FCALL "libacc.c" [L849] FCALL "__utac__get_this_arg" [L855] FCALL "i > 0 && i <= this->argsCount" [L855] FCALL "libacc.c" [L856] FCALL "__utac__get_this_arg" [L894] FCALL "i > 0 && i <= this->argsCount" [L894] FCALL "libacc.c" [L895] FCALL "__utac__get_this_argtype" [L901] FCALL "i > 0 && i <= this->argsCount" [L901] FCALL "libacc.c" [L902] FCALL "__utac__get_this_argtype" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L250] int pumpRunning = 0; [L251] int systemActive = 1; [L455] int cleanupTimeShifts = 4; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L528] int retValue_acc ; [L529] int tmp ; [L533] FCALL select_helpers() [L534] FCALL select_features() [L535] CALL, EXPR valid_product() [L446] int retValue_acc ; [L449] retValue_acc = 1 [L450] RET return (retValue_acc); [L535] EXPR valid_product() [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) [L539] FCALL setup() [L540] CALL runTest() [L522] CALL test() [L181] int splverifierCounter ; [L182] int tmp ; [L183] int tmp___0 ; [L184] int tmp___1 ; [L185] int tmp___2 ; [L188] splverifierCounter = 0 Loop: [L190] COND TRUE 1 [L192] COND TRUE splverifierCounter < 4 [L198] tmp = __VERIFIER_nondet_int() [L200] COND FALSE !(\read(tmp)) [L208] tmp___0 = __VERIFIER_nondet_int() [L210] COND FALSE !(\read(tmp___0)) [L218] tmp___2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp___2) [L235] CALL timeShift() [L257] COND FALSE !(\read(pumpRunning)) [L264] COND TRUE \read(systemActive) [L266] CALL processEnvironment() [L286] int tmp ; [L289] COND TRUE ! pumpRunning [L291] CALL, EXPR isHighWaterLevel() [L383] int retValue_acc ; [L384] int tmp ; [L385] int tmp___0 ; [L389] CALL, EXPR isHighWaterSensorDry() [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] RET return (retValue_acc); [L389] EXPR isHighWaterSensorDry() [L389] tmp = isHighWaterSensorDry() [L391] COND TRUE \read(tmp) [L392] tmp___0 = 0 [L396] retValue_acc = tmp___0 [L397] RET return (retValue_acc); [L291] EXPR isHighWaterLevel() [L291] tmp = isHighWaterLevel() [L293] COND FALSE !(\read(tmp)) [L299] RET, FCALL processEnvironment__wrappee__base() [L266] processEnvironment() [L272] CALL __utac_acc__Specification1_spec__1() [L152] int tmp ; [L153] int tmp___0 ; [L157] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] RET return (retValue_acc); [L157] EXPR isMethaneLevelCritical() [L157] tmp = isMethaneLevelCritical() [L159] COND FALSE, RET !(\read(tmp)) [L272] RET __utac_acc__Specification1_spec__1() [L235] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...