./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/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 06aae21f289bee6dc7cb083e66e9be5f9a234275 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-01 15:23:55,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:23:55,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:23:55,574 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:23:55,574 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:23:55,574 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:23:55,575 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:23:55,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:23:55,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:23:55,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:23:55,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:23:55,577 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:23:55,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:23:55,578 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:23:55,579 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:23:55,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:23:55,579 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:23:55,580 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:23:55,581 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:23:55,582 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:23:55,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:23:55,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:23:55,584 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:23:55,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:23:55,584 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:23:55,584 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:23:55,585 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:23:55,585 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:23:55,585 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:23:55,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:23:55,586 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:23:55,586 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:23:55,586 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:23:55,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:23:55,587 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:23:55,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:23:55,587 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 15:23:55,595 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:23:55,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:23:55,596 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:23:55,596 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:23:55,596 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:23:55,596 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 15:23:55,596 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 15:23:55,596 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 15:23:55,596 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 15:23:55,597 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 15:23:55,597 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:23:55,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:23:55,598 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 15:23:55,598 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:23:55,598 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 15:23:55,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:23:55,598 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:23:55,598 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 15:23:55,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:23:55,598 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 15:23:55,598 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 15:23:55,599 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 15:23:55,599 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_9f2d014c-9618-4b44-a0f0-b4efc167deac/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 -> 06aae21f289bee6dc7cb083e66e9be5f9a234275 [2018-12-01 15:23:55,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:23:55,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:23:55,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:23:55,629 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:23:55,629 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:23:55,630 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-12-01 15:23:55,669 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/data/c139b7b20/99bb4df26feb48e8a9b1498b32ad5bf1/FLAGb1120cb72 [2018-12-01 15:23:55,991 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:23:55,992 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-12-01 15:23:55,998 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/data/c139b7b20/99bb4df26feb48e8a9b1498b32ad5bf1/FLAGb1120cb72 [2018-12-01 15:23:56,006 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/data/c139b7b20/99bb4df26feb48e8a9b1498b32ad5bf1 [2018-12-01 15:23:56,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:23:56,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:23:56,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:23:56,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:23:56,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:23:56,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56, skipping insertion in model container [2018-12-01 15:23:56,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:23:56,039 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:23:56,190 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:23:56,230 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:23:56,288 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:23:56,307 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:23:56,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56 WrapperNode [2018-12-01 15:23:56,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:23:56,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:23:56,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:23:56,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:23:56,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:23:56,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:23:56,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:23:56,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:23:56,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... [2018-12-01 15:23:56,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:23:56,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:23:56,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:23:56,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:23:56,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/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 [2018-12-01 15:23:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:23:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 15:23:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:23:56,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:23:56,915 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:23:56,915 INFO L280 CfgBuilder]: Removed 352 assue(true) statements. [2018-12-01 15:23:56,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:23:56 BoogieIcfgContainer [2018-12-01 15:23:56,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:23:56,916 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 15:23:56,916 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 15:23:56,918 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 15:23:56,919 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 15:23:56,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:23:56" (1/3) ... [2018-12-01 15:23:56,920 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bf8f940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:23:56, skipping insertion in model container [2018-12-01 15:23:56,920 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 15:23:56,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:56" (2/3) ... [2018-12-01 15:23:56,921 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bf8f940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:23:56, skipping insertion in model container [2018-12-01 15:23:56,921 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 15:23:56,921 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:23:56" (3/3) ... [2018-12-01 15:23:56,922 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-12-01 15:23:56,954 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:23:56,954 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 15:23:56,954 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 15:23:56,954 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 15:23:56,954 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:23:56,955 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:23:56,955 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 15:23:56,955 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:23:56,955 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 15:23:56,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states. [2018-12-01 15:23:56,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2018-12-01 15:23:56,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:23:56,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:23:56,995 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 15:23:56,995 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:23:56,995 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 15:23:56,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states. [2018-12-01 15:23:56,999 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2018-12-01 15:23:56,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:23:56,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:23:56,999 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 15:23:57,000 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:23:57,003 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 7#L-1true havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10; 158#L1003true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 50#L1011true main_#t~ret62 := valid_product_#res;main_~tmp~10 := main_#t~ret62;havoc main_#t~ret62; 101#L837true assume 0 != main_~tmp~10; 135#L811true havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 102#L859-1true [2018-12-01 15:23:57,003 INFO L796 eck$LassoCheckResult]: Loop: 102#L859-1true assume !false; 131#L321true assume test_~splverifierCounter~0 < 4; 205#L322true test_~tmp~6 := test_#t~nondet23;havoc test_#t~nondet23; 118#L330true assume !(0 != test_~tmp~6); 105#L330-1true test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 8#L340true assume !(0 != test_~tmp___0~2); 9#L340-1true test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 76#L350true assume 0 != test_~tmp___2~0; 44#L356-1true assume !(0 != ~pumpRunning~0); 17#L59true assume !(0 != ~systemActive~0); 112#L66true havoc __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_#t~ret64, __utac_acc__Specification1_spec__1_~tmp~11, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~11;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 220#L921-5true __utac_acc__Specification1_spec__1_#t~ret63 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~11 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; 100#L859true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11); 102#L859-1true [2018-12-01 15:23:57,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:23:57,006 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-01 15:23:57,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:23:57,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:23:57,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:23:57,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:23:57,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1666538037, now seen corresponding path program 1 times [2018-12-01 15:23:57,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:23:57,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:23:57,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:23:57,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:23:57,137 INFO L82 PathProgramCache]: Analyzing trace with hash 47740901, now seen corresponding path program 1 times [2018-12-01 15:23:57,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:23:57,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:23:57,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:23:57,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:23:57,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:23:57,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:23:57,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 15:23:57,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-01 15:23:57,278 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 6 states. [2018-12-01 15:23:57,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:23:57,375 INFO L93 Difference]: Finished difference Result 492 states and 714 transitions. [2018-12-01 15:23:57,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 15:23:57,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 492 states and 714 transitions. [2018-12-01 15:23:57,381 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 321 [2018-12-01 15:23:57,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 492 states to 471 states and 693 transitions. [2018-12-01 15:23:57,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 471 [2018-12-01 15:23:57,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 471 [2018-12-01 15:23:57,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 693 transitions. [2018-12-01 15:23:57,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 15:23:57,391 INFO L705 BuchiCegarLoop]: Abstraction has 471 states and 693 transitions. [2018-12-01 15:23:57,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 693 transitions. [2018-12-01 15:23:57,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 258. [2018-12-01 15:23:57,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-12-01 15:23:57,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 378 transitions. [2018-12-01 15:23:57,419 INFO L728 BuchiCegarLoop]: Abstraction has 258 states and 378 transitions. [2018-12-01 15:23:57,419 INFO L608 BuchiCegarLoop]: Abstraction has 258 states and 378 transitions. [2018-12-01 15:23:57,419 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 15:23:57,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 258 states and 378 transitions. [2018-12-01 15:23:57,421 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176 [2018-12-01 15:23:57,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:23:57,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:23:57,421 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 15:23:57,421 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:23:57,422 INFO L794 eck$LassoCheckResult]: Stem: 877#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 741#L-1 havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10; 742#L1003 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 811#L1011 main_#t~ret62 := valid_product_#res;main_~tmp~10 := main_#t~ret62;havoc main_#t~ret62; 812#L837 assume 0 != main_~tmp~10; 871#L811 havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 787#L859-1 [2018-12-01 15:23:57,422 INFO L796 eck$LassoCheckResult]: Loop: 787#L859-1 assume !false; 872#L321 assume test_~splverifierCounter~0 < 4; 907#L322 test_~tmp~6 := test_#t~nondet23;havoc test_#t~nondet23; 893#L330 assume !(0 != test_~tmp~6); 777#L330-1 test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 743#L340 assume !(0 != test_~tmp___0~2); 744#L340-1 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 746#L350 assume 0 != test_~tmp___2~0; 801#L356-1 assume !(0 != ~pumpRunning~0); 760#L59 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 761#L143 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret1, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 875#L117-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 913#L91-3 assume !(0 == ~pumpRunning~0); 779#L66 havoc __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_#t~ret64, __utac_acc__Specification1_spec__1_~tmp~11, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~11;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 884#L921-5 __utac_acc__Specification1_spec__1_#t~ret63 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~11 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; 870#L859 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11); 787#L859-1 [2018-12-01 15:23:57,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:23:57,422 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-01 15:23:57,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:23:57,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:23:57,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:23:57,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:23:57,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1439331007, now seen corresponding path program 1 times [2018-12-01 15:23:57,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:23:57,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:23:57,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,455 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 15:23:57,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:23:57,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:23:57,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:23:57,462 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-01 15:23:57,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:23:57,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:23:57,463 INFO L87 Difference]: Start difference. First operand 258 states and 378 transitions. cyclomatic complexity: 123 Second operand 3 states. [2018-12-01 15:23:57,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:23:57,531 INFO L93 Difference]: Finished difference Result 252 states and 346 transitions. [2018-12-01 15:23:57,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:23:57,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 346 transitions. [2018-12-01 15:23:57,533 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176 [2018-12-01 15:23:57,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 252 states and 346 transitions. [2018-12-01 15:23:57,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 252 [2018-12-01 15:23:57,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 252 [2018-12-01 15:23:57,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 252 states and 346 transitions. [2018-12-01 15:23:57,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 15:23:57,536 INFO L705 BuchiCegarLoop]: Abstraction has 252 states and 346 transitions. [2018-12-01 15:23:57,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states and 346 transitions. [2018-12-01 15:23:57,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2018-12-01 15:23:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-12-01 15:23:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 346 transitions. [2018-12-01 15:23:57,541 INFO L728 BuchiCegarLoop]: Abstraction has 252 states and 346 transitions. [2018-12-01 15:23:57,541 INFO L608 BuchiCegarLoop]: Abstraction has 252 states and 346 transitions. [2018-12-01 15:23:57,542 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 15:23:57,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 252 states and 346 transitions. [2018-12-01 15:23:57,542 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176 [2018-12-01 15:23:57,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:23:57,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:23:57,543 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 15:23:57,543 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] [2018-12-01 15:23:57,543 INFO L794 eck$LassoCheckResult]: Stem: 1427#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 1294#L-1 havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10; 1295#L1003 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1357#L1011 main_#t~ret62 := valid_product_#res;main_~tmp~10 := main_#t~ret62;havoc main_#t~ret62; 1361#L837 assume 0 != main_~tmp~10; 1279#L811 havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1280#L859-1 [2018-12-01 15:23:57,544 INFO L796 eck$LassoCheckResult]: Loop: 1280#L859-1 assume !false; 1274#L321 assume test_~splverifierCounter~0 < 4; 1275#L322 test_~tmp~6 := test_#t~nondet23;havoc test_#t~nondet23; 1425#L330 assume !(0 != test_~tmp~6); 1325#L330-1 test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 1291#L340 assume !(0 != test_~tmp___0~2); 1292#L340-1 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 1296#L350 assume 0 != test_~tmp___2~0; 1346#L356-1 assume !(0 != ~pumpRunning~0); 1317#L59 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1318#L143 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret1, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 1287#L117-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1288#L91-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret21, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 1392#L961-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 1393#L966-3 isHighWaterLevel_#t~ret21 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret21;havoc isHighWaterLevel_#t~ret21; 1352#L262-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 1349#L262-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1330#L268-3 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1268#L95-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 1269#L66 havoc __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_#t~ret64, __utac_acc__Specification1_spec__1_~tmp~11, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~11;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 1429#L921-5 __utac_acc__Specification1_spec__1_#t~ret63 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~11 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; 1424#L859 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11); 1280#L859-1 [2018-12-01 15:23:57,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:23:57,544 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-01 15:23:57,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:23:57,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:23:57,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:23:57,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:23:57,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1579572237, now seen corresponding path program 1 times [2018-12-01 15:23:57,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:23:57,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:23:57,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,570 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 15:23:57,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:23:57,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1462089933, now seen corresponding path program 1 times [2018-12-01 15:23:57,578 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:23:57,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:23:57,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:23:57,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:23:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:23:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:24:02,735 WARN L180 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-01 15:24:05,230 WARN L180 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-01 15:24:05,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:24:05 BoogieIcfgContainer [2018-12-01 15:24:05,262 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 15:24:05,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:24:05,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:24:05,263 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:24:05,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:23:56" (3/4) ... [2018-12-01 15:24:05,265 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-01 15:24:05,295 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f2d014c-9618-4b44-a0f0-b4efc167deac/bin-2019/uautomizer/witness.graphml [2018-12-01 15:24:05,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:24:05,296 INFO L168 Benchmark]: Toolchain (without parser) took 9287.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 950.6 MB in the beginning and 864.6 MB in the end (delta: 86.0 MB). Peak memory consumption was 243.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:24:05,296 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:24:05,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:24:05,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.06 ms. Allocated memory is still 1.1 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. [2018-12-01 15:24:05,297 INFO L168 Benchmark]: Boogie Preprocessor took 28.59 ms. Allocated memory is still 1.1 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. [2018-12-01 15:24:05,297 INFO L168 Benchmark]: RCFGBuilder took 526.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:24:05,298 INFO L168 Benchmark]: BuchiAutomizer took 8346.11 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.0 GB in the beginning and 872.1 MB in the end (delta: 133.5 MB). Peak memory consumption was 223.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:24:05,298 INFO L168 Benchmark]: Witness Printer took 32.74 ms. Allocated memory is still 1.2 GB. Free memory was 872.1 MB in the beginning and 864.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:24:05,300 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.59 ms. Allocated memory is still 1.1 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 526.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8346.11 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.0 GB in the beginning and 872.1 MB in the end (delta: 133.5 MB). Peak memory consumption was 223.0 MB. Max. memory is 11.5 GB. * Witness Printer took 32.74 ms. Allocated memory is still 1.2 GB. Free memory was 872.1 MB in the beginning and 864.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 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 6 locations. The remainder module has 252 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 213 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 258 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 550 SDtfs, 1444 SDslu, 1274 SDs, 0 SdLazy, 85 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 320]: 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, NULL=0, NULL=15, NULL=29, NULL=0, NULL=22, NULL=0, retValue_acc=0, NULL=38, retValue_acc=1, NULL=31, methaneLevelCritical=0, NULL=14, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f6dff=0, NULL=0, retValue_acc=0, tmp=0, NULL=0, NULL=36, tmp___1=0, NULL=0, NULL=0, tmp=0, NULL=20, cleanupTimeShifts=4, tmp=0, tmp___0=0, NULL=27, NULL=8, NULL=17, tmp=1, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3eb2b128=0, NULL=0, NULL=33, NULL=0, retValue_acc=0, NULL=0, NULL=16, \result=0, NULL=0, NULL=23, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=19, head=0, pumpRunning=0, NULL=26, NULL=11, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e0fa73f=0, NULL=39, NULL=35, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7527573a=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@334feecd=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@504054e0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26ae7698=0, NULL=0, \result=1, NULL=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@204a12a0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@471ff141=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b1bb736=0, NULL=0, tmp=1, NULL=0, tmp___2=56, tmp___0=0, retValue_acc=1, splverifierCounter=0, NULL=0, \result=0, NULL=12, NULL=37, NULL=34, tmp=0, head=0, tmp=0, NULL=0, NULL=18, NULL=28, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11bee733=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L555] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L752] int cleanupTimeShifts = 4; [L878] int waterLevel = 1; [L879] int methaneLevelCritical = 0; [L828] int retValue_acc ; [L829] int tmp ; [L1007] int retValue_acc ; [L1010] retValue_acc = 1 [L1011] return (retValue_acc); [L835] tmp = valid_product() [L837] COND TRUE \read(tmp) [L311] int splverifierCounter ; [L312] int tmp ; [L313] int tmp___0 ; [L314] int tmp___1 ; [L315] int tmp___2 ; [L318] splverifierCounter = 0 Loop: [L320] COND TRUE 1 [L322] COND TRUE splverifierCounter < 4 [L328] tmp = __VERIFIER_nondet_int() [L330] COND FALSE !(\read(tmp)) [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L348] tmp___2 = __VERIFIER_nondet_int() [L350] COND TRUE \read(tmp___2) [L59] COND FALSE !(\read(pumpRunning)) [L66] COND TRUE \read(systemActive) [L140] int tmp ; [L143] COND FALSE !(\read(pumpRunning)) [L114] int tmp ; [L117] COND FALSE !(\read(pumpRunning)) [L88] int tmp ; [L91] COND TRUE ! pumpRunning [L254] int retValue_acc ; [L255] int tmp ; [L256] int tmp___0 ; [L958] int retValue_acc ; [L961] COND TRUE waterLevel < 2 [L962] retValue_acc = 1 [L963] return (retValue_acc); [L260] tmp = isHighWaterSensorDry() [L262] COND TRUE \read(tmp) [L263] tmp___0 = 0 [L267] retValue_acc = tmp___0 [L268] return (retValue_acc); [L93] tmp = isHighWaterLevel() [L95] COND FALSE !(\read(tmp)) [L852] int tmp ; [L853] int tmp___0 ; [L917] int retValue_acc ; [L920] retValue_acc = methaneLevelCritical [L921] return (retValue_acc); [L857] tmp = isMethaneLevelCritical() [L859] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...