./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a0c13a298b8ef5fea6639223509104e0f4da0801 ............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-2e94e6a [2019-01-01 23:35:07,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:35:07,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:35:07,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:35:07,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:35:07,330 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:35:07,334 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:35:07,336 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:35:07,339 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:35:07,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:35:07,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:35:07,350 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:35:07,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:35:07,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:35:07,355 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:35:07,356 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:35:07,357 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:35:07,360 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:35:07,366 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:35:07,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:35:07,368 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:35:07,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:35:07,378 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:35:07,378 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:35:07,378 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:35:07,381 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:35:07,382 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:35:07,385 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:35:07,386 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:35:07,387 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:35:07,387 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:35:07,389 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:35:07,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:35:07,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:35:07,393 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:35:07,394 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:35:07,394 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:35:07,423 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:35:07,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:35:07,424 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:35:07,425 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:35:07,425 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:35:07,425 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:35:07,425 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:35:07,425 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:35:07,425 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:35:07,426 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:35:07,426 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:35:07,426 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:35:07,426 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:35:07,426 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:35:07,427 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:35:07,428 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:35:07,428 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:35:07,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:35:07,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:35:07,431 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:35:07,431 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:35:07,431 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:35:07,431 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:35:07,432 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:35:07,432 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:35:07,432 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:35:07,432 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:35:07,432 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:35:07,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:35:07,433 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:35:07,433 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:35:07,435 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:35:07,438 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a0c13a298b8ef5fea6639223509104e0f4da0801 [2019-01-01 23:35:07,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:35:07,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:35:07,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:35:07,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:35:07,522 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:35:07,523 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2019-01-01 23:35:07,586 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5509509d/da16bf11024e44afb3c0b9ea5ef9f574/FLAG8a1bedaa0 [2019-01-01 23:35:08,151 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:35:08,152 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2019-01-01 23:35:08,165 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5509509d/da16bf11024e44afb3c0b9ea5ef9f574/FLAG8a1bedaa0 [2019-01-01 23:35:08,426 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5509509d/da16bf11024e44afb3c0b9ea5ef9f574 [2019-01-01 23:35:08,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:35:08,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:35:08,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:35:08,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:35:08,438 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:35:08,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:35:08" (1/1) ... [2019-01-01 23:35:08,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:08, skipping insertion in model container [2019-01-01 23:35:08,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:35:08" (1/1) ... [2019-01-01 23:35:08,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:35:08,519 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:35:08,875 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:35:08,903 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:35:09,127 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:35:09,181 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:35:09,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09 WrapperNode [2019-01-01 23:35:09,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:35:09,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:35:09,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:35:09,183 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:35:09,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... [2019-01-01 23:35:09,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... [2019-01-01 23:35:09,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:35:09,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:35:09,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:35:09,264 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:35:09,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... [2019-01-01 23:35:09,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... [2019-01-01 23:35:09,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... [2019-01-01 23:35:09,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... [2019-01-01 23:35:09,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... [2019-01-01 23:35:09,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... [2019-01-01 23:35:09,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... [2019-01-01 23:35:09,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:35:09,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:35:09,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:35:09,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:35:09,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:35:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:35:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:35:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:35:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:35:10,801 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:35:10,802 INFO L280 CfgBuilder]: Removed 158 assue(true) statements. [2019-01-01 23:35:10,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:35:10 BoogieIcfgContainer [2019-01-01 23:35:10,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:35:10,803 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:35:10,803 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:35:10,807 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:35:10,808 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:35:10,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:35:08" (1/3) ... [2019-01-01 23:35:10,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5018dcf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:35:10, skipping insertion in model container [2019-01-01 23:35:10,810 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:35:10,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:35:09" (2/3) ... [2019-01-01 23:35:10,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5018dcf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:35:10, skipping insertion in model container [2019-01-01 23:35:10,811 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:35:10,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:35:10" (3/3) ... [2019-01-01 23:35:10,813 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2019-01-01 23:35:10,874 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:35:10,875 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:35:10,875 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:35:10,875 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:35:10,875 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:35:10,875 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:35:10,876 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:35:10,876 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:35:10,876 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:35:10,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-01-01 23:35:10,929 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-01-01 23:35:10,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:35:10,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:35:10,939 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:35:10,939 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:35:10,939 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:35:10,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-01-01 23:35:10,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-01-01 23:35:10,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:35:10,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:35:10,954 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:35:10,954 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:35:10,961 INFO L794 eck$LassoCheckResult]: Stem: 90#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 10#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 45#L166true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 75#L174true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 73#L130true assume 0 != main_~tmp~0; 24#L103true havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 81#L190-1true [2019-01-01 23:35:10,961 INFO L796 eck$LassoCheckResult]: Loop: 81#L190-1true assume !false; 51#L777true assume test_~splverifierCounter~0 < 4; 9#L778true test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; 12#L786true assume !(0 != test_~tmp~8); 14#L786-1true test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; 72#L796true assume !(0 != test_~tmp___0~2); 74#L796-1true test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; 107#L806true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 110#L814-2true assume !(0 != ~pumpRunning~0); 65#L587true assume !(0 != ~systemActive~0); 104#L594true havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 99#L886-1true __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; 82#L190true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 81#L190-1true [2019-01-01 23:35:10,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:35:10,981 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:35:10,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:35:10,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:35:11,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:11,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:35:11,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:11,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:35:12,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1679036349, now seen corresponding path program 1 times [2019-01-01 23:35:12,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:35:12,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:35:12,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:12,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:35:12,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:35:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:35:12,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:35:12,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:35:12,129 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:35:12,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:35:12,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:35:12,153 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 3 states. [2019-01-01 23:35:12,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:35:12,227 INFO L93 Difference]: Finished difference Result 108 states and 155 transitions. [2019-01-01 23:35:12,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:35:12,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 155 transitions. [2019-01-01 23:35:12,237 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-01 23:35:12,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 147 transitions. [2019-01-01 23:35:12,246 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2019-01-01 23:35:12,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2019-01-01 23:35:12,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 147 transitions. [2019-01-01 23:35:12,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:35:12,249 INFO L705 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2019-01-01 23:35:12,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 147 transitions. [2019-01-01 23:35:12,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-01-01 23:35:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-01-01 23:35:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions. [2019-01-01 23:35:12,292 INFO L728 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2019-01-01 23:35:12,293 INFO L608 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2019-01-01 23:35:12,293 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:35:12,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 147 transitions. [2019-01-01 23:35:12,295 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-01 23:35:12,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:35:12,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:35:12,296 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:35:12,296 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:35:12,297 INFO L794 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 238#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 239#L166 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 292#L174 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 311#L130 assume 0 != main_~tmp~0; 261#L103 havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 262#L190-1 [2019-01-01 23:35:12,297 INFO L796 eck$LassoCheckResult]: Loop: 262#L190-1 assume !false; 296#L777 assume test_~splverifierCounter~0 < 4; 236#L778 test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; 237#L786 assume !(0 != test_~tmp~8); 242#L786-1 test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; 245#L796 assume !(0 != test_~tmp___0~2); 309#L796-1 test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; 312#L806 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 324#L814-2 assume !(0 != ~pumpRunning~0); 277#L587 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 303#L645 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 304#L619-1 assume !(0 == ~pumpRunning~0); 286#L594 havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 323#L886-1 __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; 316#L190 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 262#L190-1 [2019-01-01 23:35:12,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:35:12,298 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:35:12,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:35:12,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:35:12,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:12,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:35:12,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:12,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:35:12,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1086510022, now seen corresponding path program 1 times [2019-01-01 23:35:12,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:35:12,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:35:12,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:12,715 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:35:12,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:35:12,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:35:12,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:35:12,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:35:12,778 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:35:12,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:35:12,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:35:12,780 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. cyclomatic complexity: 48 Second operand 3 states. [2019-01-01 23:35:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:35:13,429 INFO L93 Difference]: Finished difference Result 142 states and 195 transitions. [2019-01-01 23:35:13,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:35:13,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 195 transitions. [2019-01-01 23:35:13,434 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2019-01-01 23:35:13,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 195 transitions. [2019-01-01 23:35:13,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142 [2019-01-01 23:35:13,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2019-01-01 23:35:13,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 195 transitions. [2019-01-01 23:35:13,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:35:13,438 INFO L705 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2019-01-01 23:35:13,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 195 transitions. [2019-01-01 23:35:13,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-01-01 23:35:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-01-01 23:35:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 195 transitions. [2019-01-01 23:35:13,449 INFO L728 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2019-01-01 23:35:13,449 INFO L608 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2019-01-01 23:35:13,449 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:35:13,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 195 transitions. [2019-01-01 23:35:13,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2019-01-01 23:35:13,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:35:13,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:35:13,452 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:35:13,452 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] [2019-01-01 23:35:13,452 INFO L794 eck$LassoCheckResult]: Stem: 571#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 487#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 488#L166 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 540#L174 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 563#L130 assume 0 != main_~tmp~0; 510#L103 havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 511#L190-1 [2019-01-01 23:35:13,453 INFO L796 eck$LassoCheckResult]: Loop: 511#L190-1 assume !false; 546#L777 assume test_~splverifierCounter~0 < 4; 485#L778 test_~tmp~8 := test_#t~nondet59;havoc test_#t~nondet59; 486#L786 assume !(0 != test_~tmp~8); 491#L786-1 test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; 494#L796 assume !(0 != test_~tmp___0~2); 561#L796-1 test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; 564#L806 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 580#L814-2 assume !(0 != ~pumpRunning~0); 559#L587 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 555#L645 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 556#L619-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 521#L926-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 522#L931-1 isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; 519#L747-3 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 520#L747-5 isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; 497#L753-1 processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; 498#L623-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 535#L594 havoc __utac_acc__Specification1_spec__1_#t~ret2, __utac_acc__Specification1_spec__1_#t~ret3, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 578#L886-1 __utac_acc__Specification1_spec__1_#t~ret2 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret2;havoc __utac_acc__Specification1_spec__1_#t~ret2; 568#L190 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 511#L190-1 [2019-01-01 23:35:13,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:35:13,453 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-01 23:35:13,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:35:13,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:35:13,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:13,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:35:13,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:13,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:35:13,874 INFO L82 PathProgramCache]: Analyzing trace with hash -849194650, now seen corresponding path program 1 times [2019-01-01 23:35:13,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:35:13,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:35:13,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:13,876 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:35:13,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:13,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:35:13,892 INFO L82 PathProgramCache]: Analyzing trace with hash -393123456, now seen corresponding path program 1 times [2019-01-01 23:35:13,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:35:13,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:35:13,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:13,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:35:13,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:35:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:35:15,115 WARN L181 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-01-01 23:35:15,326 WARN L181 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-01-01 23:35:41,602 WARN L181 SmtUtils]: Spent 26.24 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:35:57,394 WARN L181 SmtUtils]: Spent 15.79 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:35:57,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:35:57 BoogieIcfgContainer [2019-01-01 23:35:57,511 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:35:57,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:35:57,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:35:57,520 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:35:57,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:35:10" (3/4) ... [2019-01-01 23:35:57,528 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:35:57,637 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:35:57,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:35:57,639 INFO L168 Benchmark]: Toolchain (without parser) took 49207.87 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.3 MB). Free memory was 946.0 MB in the beginning and 854.9 MB in the end (delta: 91.1 MB). Peak memory consumption was 420.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:57,640 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:35:57,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:57,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.44 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:57,642 INFO L168 Benchmark]: Boogie Preprocessor took 46.98 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. [2019-01-01 23:35:57,642 INFO L168 Benchmark]: RCFGBuilder took 1494.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:57,645 INFO L168 Benchmark]: BuchiAutomizer took 46708.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.1 GB in the beginning and 857.0 MB in the end (delta: 207.2 MB). Peak memory consumption was 411.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:57,645 INFO L168 Benchmark]: Witness Printer took 118.69 ms. Allocated memory is still 1.4 GB. Free memory was 857.0 MB in the beginning and 854.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:57,651 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 748.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.44 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.98 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 1494.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46708.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.1 GB in the beginning and 857.0 MB in the end (delta: 207.2 MB). Peak memory consumption was 411.0 MB. Max. memory is 11.5 GB. * Witness Printer took 118.69 ms. Allocated memory is still 1.4 GB. Free memory was 857.0 MB in the beginning and 854.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 3 locations. The remainder module has 142 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 46.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 45.6s. Construction of modules took 0.6s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 142 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 301 SDtfs, 255 SDslu, 57 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 776]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9634} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-6, retValue_acc=0, NULL=9634, NULL=0, NULL=0, NULL=-22, NULL=-20, methaneLevelCritical=0, tmp___0=0, NULL=0, NULL=-13, NULL=0, retValue_acc=0, NULL=-12, tmp=0, tmp___1=0, NULL=-5, tmp___0=0, NULL=9633, cleanupTimeShifts=4, NULL=-15, NULL=-3, NULL=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ca3cda8=0, NULL=-9, tmp=0, NULL=-23, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ad02386=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b40f20a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73376f7a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b0c1a37=0, retValue_acc=0, NULL=0, \result=0, NULL=-16, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=-18, NULL=-19, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64e4fbd4=0, NULL=0, NULL=-21, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp=0, NULL=-10, \result=1, NULL=-4, NULL=0, tmp=1, retValue_acc=1, tmp___2=68, tmp___0=0, retValue_acc=1, NULL=-7, splverifierCounter=0, \result=0, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@477f42e7=0, head=0, NULL=0, NULL=-1, NULL=0, tmp=0, NULL=8500, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@554dd888=0, NULL=-11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48a9237a=68, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16a3392d=0, NULL=0, NULL=-17, NULL=-14} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 Loop: [L776] COND TRUE 1 [L778] COND TRUE splverifierCounter < 4 [L784] tmp = __VERIFIER_nondet_int() [L786] COND FALSE !(\read(tmp)) [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND FALSE !(\read(tmp___0)) [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND TRUE \read(tmp___2) [L761] systemActive = 1 [L587] COND FALSE !(\read(pumpRunning)) [L594] COND TRUE \read(systemActive) [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L616] int tmp ; [L619] COND TRUE ! pumpRunning [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L923] int retValue_acc ; [L926] COND TRUE waterLevel < 2 [L927] retValue_acc = 1 [L928] return (retValue_acc); [L745] tmp = isHighWaterSensorDry() [L747] COND TRUE \read(tmp) [L748] tmp___0 = 0 [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); [L621] tmp = isHighWaterLevel() [L623] COND FALSE !(\read(tmp)) [L183] int tmp ; [L184] int tmp___0 ; [L882] int retValue_acc ; [L885] retValue_acc = methaneLevelCritical [L886] return (retValue_acc); [L188] tmp = isMethaneLevelCritical() [L190] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...