./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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_spec2_product26_true-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 9a9facaada73db60539ede7a668b71ce2a4ae420 .............................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-0ed9222-m [2019-01-14 04:19:06,452 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:19:06,454 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:19:06,473 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:19:06,473 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:19:06,474 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:19:06,476 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:19:06,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:19:06,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:19:06,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:19:06,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:19:06,492 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:19:06,493 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:19:06,497 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:19:06,498 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:19:06,499 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:19:06,502 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:19:06,507 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:19:06,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:19:06,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:19:06,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:19:06,517 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:19:06,522 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:19:06,522 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:19:06,522 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:19:06,523 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:19:06,524 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:19:06,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:19:06,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:19:06,529 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:19:06,529 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:19:06,530 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:19:06,530 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:19:06,530 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:19:06,531 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:19:06,533 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:19:06,535 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:19:06,562 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:19:06,562 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:19:06,564 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:19:06,564 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:19:06,564 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:19:06,565 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:19:06,565 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:19:06,565 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:19:06,565 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:19:06,565 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:19:06,565 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:19:06,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:19:06,566 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:19:06,566 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:19:06,566 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:19:06,566 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:19:06,567 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:19:06,568 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:19:06,568 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:19:06,569 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:19:06,569 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:19:06,569 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:19:06,569 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:19:06,569 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:19:06,569 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:19:06,570 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:19:06,571 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:19:06,571 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:19:06,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:19:06,571 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:19:06,571 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:19:06,572 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:19:06,572 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 -> 9a9facaada73db60539ede7a668b71ce2a4ae420 [2019-01-14 04:19:06,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:19:06,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:19:06,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:19:06,626 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:19:06,626 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:19:06,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:06,688 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704c3e61b/7c1303101bbc438abfcec7e584830931/FLAG0b4e1eb01 [2019-01-14 04:19:07,192 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:19:07,193 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:07,206 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704c3e61b/7c1303101bbc438abfcec7e584830931/FLAG0b4e1eb01 [2019-01-14 04:19:07,518 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704c3e61b/7c1303101bbc438abfcec7e584830931 [2019-01-14 04:19:07,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:19:07,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:19:07,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:19:07,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:19:07,530 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:19:07,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:19:07" (1/1) ... [2019-01-14 04:19:07,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e0924a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:07, skipping insertion in model container [2019-01-14 04:19:07,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:19:07" (1/1) ... [2019-01-14 04:19:07,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:19:07,602 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:19:07,900 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:19:07,915 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:19:08,004 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:19:08,126 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:19:08,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08 WrapperNode [2019-01-14 04:19:08,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:19:08,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:19:08,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:19:08,129 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:19:08,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (1/1) ... [2019-01-14 04:19:08,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (1/1) ... [2019-01-14 04:19:08,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:19:08,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:19:08,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:19:08,207 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:19:08,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (1/1) ... [2019-01-14 04:19:08,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (1/1) ... [2019-01-14 04:19:08,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (1/1) ... [2019-01-14 04:19:08,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (1/1) ... [2019-01-14 04:19:08,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (1/1) ... [2019-01-14 04:19:08,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (1/1) ... [2019-01-14 04:19:08,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (1/1) ... [2019-01-14 04:19:08,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:19:08,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:19:08,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:19:08,245 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:19:08,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (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 [2019-01-14 04:19:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:19:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:19:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:19:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:19:09,330 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:19:09,330 INFO L286 CfgBuilder]: Removed 100 assue(true) statements. [2019-01-14 04:19:09,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:09 BoogieIcfgContainer [2019-01-14 04:19:09,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:19:09,332 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:19:09,332 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:19:09,336 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:19:09,337 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:09,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:19:07" (1/3) ... [2019-01-14 04:19:09,338 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66ef5380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:19:09, skipping insertion in model container [2019-01-14 04:19:09,338 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:09,339 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:08" (2/3) ... [2019-01-14 04:19:09,339 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66ef5380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:19:09, skipping insertion in model container [2019-01-14 04:19:09,339 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:09,339 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:09" (3/3) ... [2019-01-14 04:19:09,341 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:09,396 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:19:09,397 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:19:09,397 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:19:09,397 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:19:09,397 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:19:09,397 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:19:09,398 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:19:09,398 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:19:09,398 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:19:09,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2019-01-14 04:19:09,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-14 04:19:09,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:09,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:09,458 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:09,459 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:09,459 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:19:09,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2019-01-14 04:19:09,472 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-14 04:19:09,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:09,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:09,473 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:09,475 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:09,481 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 15#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 10#L73true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 5#L208true assume 0 != main_~tmp~1; 37#L183true ~methAndRunningLastTime~0 := 0; 18#L87true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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; 16#L98-1true [2019-01-14 04:19:09,490 INFO L796 eck$LassoCheckResult]: Loop: 16#L98-1true assume !false; 36#L882true assume test_~splverifierCounter~0 < 4; 57#L883true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 76#L891true assume !(0 != test_~tmp~8); 77#L891-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 61#L901true assume !(0 != test_~tmp___0~2); 44#L901-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 43#L911true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 54#L919-2true assume !(0 != ~pumpRunning~0); 58#L700true assume !(0 != ~systemActive~0); 48#L707true havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 75#L269true __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 21#L98true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 16#L98-1true [2019-01-14 04:19:09,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:09,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:19:09,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:09,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:09,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:09,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:09,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:10,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:10,316 INFO L82 PathProgramCache]: Analyzing trace with hash 3553547, now seen corresponding path program 1 times [2019-01-14 04:19:10,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:10,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:10,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:10,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:10,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:19:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:19:10,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:19:10,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:19:10,430 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:19:10,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:19:10,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:19:10,453 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 3 states. [2019-01-14 04:19:10,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:19:10,567 INFO L93 Difference]: Finished difference Result 76 states and 105 transitions. [2019-01-14 04:19:10,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:19:10,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 105 transitions. [2019-01-14 04:19:10,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-14 04:19:10,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 69 states and 97 transitions. [2019-01-14 04:19:10,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2019-01-14 04:19:10,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2019-01-14 04:19:10,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 97 transitions. [2019-01-14 04:19:10,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:19:10,590 INFO L706 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-01-14 04:19:10,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 97 transitions. [2019-01-14 04:19:10,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-01-14 04:19:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-01-14 04:19:10,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2019-01-14 04:19:10,636 INFO L729 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-01-14 04:19:10,636 INFO L609 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-01-14 04:19:10,636 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:19:10,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 97 transitions. [2019-01-14 04:19:10,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-14 04:19:10,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:10,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:10,646 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:10,646 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:10,647 INFO L794 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 175#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 176#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 173#L73 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 163#L208 assume 0 != main_~tmp~1; 164#L183 ~methAndRunningLastTime~0 := 0; 183#L87 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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; 167#L98-1 [2019-01-14 04:19:10,648 INFO L796 eck$LassoCheckResult]: Loop: 167#L98-1 assume !false; 182#L882 assume test_~splverifierCounter~0 < 4; 204#L883 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 224#L891 assume !(0 != test_~tmp~8); 229#L891-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 225#L901 assume !(0 != test_~tmp___0~2); 203#L901-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 212#L911 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 214#L919-2 assume !(0 != ~pumpRunning~0); 221#L700 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 205#L732 assume !(0 != ~pumpRunning~0); 206#L707 havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 217#L269 __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 184#L98 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 167#L98-1 [2019-01-14 04:19:10,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:10,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:19:10,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:10,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:10,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:10,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:10,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:11,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:11,002 INFO L82 PathProgramCache]: Analyzing trace with hash 83166849, now seen corresponding path program 1 times [2019-01-14 04:19:11,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:11,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:11,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:11,005 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:19:11,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:11,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:11,025 INFO L82 PathProgramCache]: Analyzing trace with hash 145554759, now seen corresponding path program 1 times [2019-01-14 04:19:11,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:11,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:11,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:11,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:11,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:12,097 WARN L181 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-01-14 04:19:12,412 WARN L181 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:19:36,178 WARN L181 SmtUtils]: Spent 23.73 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:19:47,617 WARN L181 SmtUtils]: Spent 11.43 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:19:47,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:19:47 BoogieIcfgContainer [2019-01-14 04:19:47,684 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:19:47,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:19:47,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:19:47,685 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:19:47,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:09" (3/4) ... [2019-01-14 04:19:47,690 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:19:47,761 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:19:47,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:19:47,764 INFO L168 Benchmark]: Toolchain (without parser) took 40242.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.5 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -75.1 MB). Peak memory consumption was 206.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:47,765 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:19:47,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:47,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.78 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:47,772 INFO L168 Benchmark]: Boogie Preprocessor took 37.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:19:47,774 INFO L168 Benchmark]: RCFGBuilder took 1086.76 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: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:47,775 INFO L168 Benchmark]: BuchiAutomizer took 38352.46 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.6 MB). Peak memory consumption was 428.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:47,777 INFO L168 Benchmark]: Witness Printer took 78.78 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:47,783 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 601.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.78 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1086.76 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: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38352.46 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.6 MB). Peak memory consumption was 428.8 MB. Max. memory is 11.5 GB. * Witness Printer took 78.78 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 102 SDtfs, 102 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 881]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=-3, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=-17, NULL=0, NULL=0, NULL=0, NULL=-7, NULL=0, NULL=-22, NULL=0, NULL=0, NULL=-5, methaneLevelCritical=0, NULL=-1, NULL=0, NULL=-15, NULL=-9, NULL=0, tmp=0, tmp___1=0, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@746b897=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68109e68=0, cleanupTimeShifts=4, NULL=-11, NULL=-13, NULL=-10, NULL=-12, NULL=0, systemActive=1, waterLevel=1, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15a8680a=0, NULL=-4, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-19, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7505c78c=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7067d12e=0, NULL=0, NULL=0, NULL=-14, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62732ffb=0, NULL=-18, NULL=-21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dd107f4=70, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4530b30=0, NULL=-6, retValue_acc=1, tmp___2=70, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=-25, NULL=-20, head=0, tmp=0, NULL=-8, NULL=0, tmp=0, NULL=-16, NULL=0, NULL=0, NULL=-24, NULL=-23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L81] int methAndRunningLastTime ; [L120] int cleanupTimeShifts = 4; [L226] int waterLevel = 1; [L227] int methaneLevelCritical = 0; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L693] int pumpRunning = 0; [L694] int systemActive = 1; [L199] int retValue_acc ; [L200] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L206] tmp = valid_product() [L208] COND TRUE \read(tmp) [L86] methAndRunningLastTime = 0 [L872] int splverifierCounter ; [L873] int tmp ; [L874] int tmp___0 ; [L875] int tmp___1 ; [L876] int tmp___2 ; [L879] splverifierCounter = 0 Loop: [L881] COND TRUE 1 [L883] COND TRUE splverifierCounter < 4 [L889] tmp = __VERIFIER_nondet_int() [L891] COND FALSE !(\read(tmp)) [L899] tmp___0 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___0)) [L909] tmp___2 = __VERIFIER_nondet_int() [L911] COND TRUE \read(tmp___2) [L866] systemActive = 1 [L700] COND FALSE !(\read(pumpRunning)) [L707] COND TRUE \read(systemActive) [L729] int tmp ; [L732] COND FALSE !(\read(pumpRunning)) [L91] int tmp ; [L92] int tmp___0 ; [L265] int retValue_acc ; [L268] retValue_acc = methaneLevelCritical [L269] return (retValue_acc); [L96] tmp = isMethaneLevelCritical() [L98] COND FALSE !(\read(tmp)) [L114] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...