./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product60_true-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_spec4_product60_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 e5628f313afbfffa53e61454ca424855ee3b0eb7 ............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:48:45,467 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:48:45,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:48:45,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:48:45,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:48:45,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:48:45,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:48:45,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:48:45,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:48:45,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:48:45,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:48:45,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:48:45,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:48:45,491 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:48:45,494 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:48:45,494 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:48:45,495 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:48:45,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:48:45,499 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:48:45,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:48:45,502 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:48:45,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:48:45,506 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:48:45,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:48:45,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:48:45,507 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:48:45,508 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:48:45,509 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:48:45,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:48:45,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:48:45,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:48:45,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:48:45,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:48:45,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:48:45,513 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:48:45,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:48:45,514 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:48:45,542 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:48:45,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:48:45,545 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:48:45,545 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:48:45,545 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:48:45,545 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:48:45,546 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:48:45,546 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:48:45,546 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:48:45,546 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:48:45,546 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:48:45,546 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:48:45,548 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:48:45,548 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:48:45,548 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:48:45,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:48:45,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:48:45,550 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:48:45,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:48:45,550 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:48:45,550 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:48:45,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:48:45,551 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:48:45,551 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:48:45,551 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:48:45,551 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:48:45,552 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:48:45,553 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:48:45,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:48:45,553 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:48:45,554 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:48:45,554 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:48:45,556 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 -> e5628f313afbfffa53e61454ca424855ee3b0eb7 [2019-01-01 23:48:45,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:48:45,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:48:45,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:48:45,621 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:48:45,622 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:48:45,623 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2019-01-01 23:48:45,690 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d03dc451d/0534b7a62ce8473ea0adc7f94536bfc7/FLAG69b2edeb8 [2019-01-01 23:48:46,244 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:48:46,245 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2019-01-01 23:48:46,259 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d03dc451d/0534b7a62ce8473ea0adc7f94536bfc7/FLAG69b2edeb8 [2019-01-01 23:48:46,524 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d03dc451d/0534b7a62ce8473ea0adc7f94536bfc7 [2019-01-01 23:48:46,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:48:46,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:48:46,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:48:46,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:48:46,540 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:48:46,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:48:46" (1/1) ... [2019-01-01 23:48:46,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5801be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:46, skipping insertion in model container [2019-01-01 23:48:46,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:48:46" (1/1) ... [2019-01-01 23:48:46,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:48:46,615 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:48:47,069 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:48:47,104 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:48:47,227 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:48:47,351 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:48:47,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47 WrapperNode [2019-01-01 23:48:47,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:48:47,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:48:47,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:48:47,354 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:48:47,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (1/1) ... [2019-01-01 23:48:47,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (1/1) ... [2019-01-01 23:48:47,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:48:47,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:48:47,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:48:47,453 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:48:47,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (1/1) ... [2019-01-01 23:48:47,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (1/1) ... [2019-01-01 23:48:47,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (1/1) ... [2019-01-01 23:48:47,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (1/1) ... [2019-01-01 23:48:47,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (1/1) ... [2019-01-01 23:48:47,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (1/1) ... [2019-01-01 23:48:47,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (1/1) ... [2019-01-01 23:48:47,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:48:47,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:48:47,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:48:47,522 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:48:47,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (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 23:48:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:48:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:48:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:48:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:48:49,346 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:48:49,346 INFO L280 CfgBuilder]: Removed 198 assue(true) statements. [2019-01-01 23:48:49,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:48:49 BoogieIcfgContainer [2019-01-01 23:48:49,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:48:49,347 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:48:49,347 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:48:49,351 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:48:49,352 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:48:49,352 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:48:46" (1/3) ... [2019-01-01 23:48:49,353 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1600a8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:48:49, skipping insertion in model container [2019-01-01 23:48:49,353 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:48:49,353 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:47" (2/3) ... [2019-01-01 23:48:49,354 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1600a8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:48:49, skipping insertion in model container [2019-01-01 23:48:49,354 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:48:49,354 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:48:49" (3/3) ... [2019-01-01 23:48:49,356 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2019-01-01 23:48:49,416 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:48:49,417 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:48:49,417 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:48:49,417 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:48:49,417 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:48:49,417 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:48:49,418 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:48:49,418 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:48:49,418 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:48:49,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2019-01-01 23:48:49,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 87 [2019-01-01 23:48:49,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:49,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:49,488 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:49,488 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:48:49,488 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:48:49,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2019-01-01 23:48:49,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 87 [2019-01-01 23:48:49,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:49,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:49,500 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:49,501 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:48:49,507 INFO L794 eck$LassoCheckResult]: Stem: 109#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~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);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(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 13#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~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 100#L165true assume 0 != main_~tmp~0; 84#L141true havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 106#L556-1true [2019-01-01 23:48:49,508 INFO L796 eck$LassoCheckResult]: Loop: 106#L556-1true assume !false; 12#L841true assume test_~splverifierCounter~0 < 4; 115#L842true test_~tmp~10 := test_#t~nondet61;havoc test_#t~nondet61; 119#L850true assume !(0 != test_~tmp~10); 121#L850-1true test_~tmp___0~3 := test_#t~nondet62;havoc test_#t~nondet62; 30#L860true assume !(0 != test_~tmp___0~3); 31#L860-1true test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 98#L870true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 102#L878-1true assume !(0 != ~pumpRunning~0); 5#L599true assume !(0 != ~systemActive~0); 78#L606true havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 111#L974true __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 104#L556true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 106#L556-1true [2019-01-01 23:48:49,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:49,514 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:48:49,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:49,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:49,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:49,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:49,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:50,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:50,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1669554868, now seen corresponding path program 1 times [2019-01-01 23:48:50,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:50,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:50,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:50,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:50,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:48:50,543 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 23:48:50,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:48:50,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:48:50,552 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:48:50,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:48:50,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:48:50,576 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 3 states. [2019-01-01 23:48:50,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:48:50,863 INFO L93 Difference]: Finished difference Result 262 states and 378 transitions. [2019-01-01 23:48:50,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:48:50,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 378 transitions. [2019-01-01 23:48:50,875 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 170 [2019-01-01 23:48:50,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 248 states and 363 transitions. [2019-01-01 23:48:50,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 248 [2019-01-01 23:48:50,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 248 [2019-01-01 23:48:50,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 248 states and 363 transitions. [2019-01-01 23:48:50,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:48:50,896 INFO L705 BuchiCegarLoop]: Abstraction has 248 states and 363 transitions. [2019-01-01 23:48:50,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states and 363 transitions. [2019-01-01 23:48:50,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 246. [2019-01-01 23:48:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-01-01 23:48:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 360 transitions. [2019-01-01 23:48:50,968 INFO L728 BuchiCegarLoop]: Abstraction has 246 states and 360 transitions. [2019-01-01 23:48:50,968 INFO L608 BuchiCegarLoop]: Abstraction has 246 states and 360 transitions. [2019-01-01 23:48:50,968 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:48:50,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 360 transitions. [2019-01-01 23:48:50,980 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-01-01 23:48:50,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:50,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:50,981 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:50,981 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:48:50,982 INFO L794 eck$LassoCheckResult]: Stem: 541#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~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);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(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 421#L-1 havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 422#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; 419#L73 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 420#L165 assume 0 != main_~tmp~0; 524#L141 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 525#L556-1 [2019-01-01 23:48:50,982 INFO L796 eck$LassoCheckResult]: Loop: 525#L556-1 assume !false; 597#L841 assume test_~splverifierCounter~0 < 4; 598#L842 test_~tmp~10 := test_#t~nondet61;havoc test_#t~nondet61; 645#L850 assume !(0 != test_~tmp~10); 643#L850-1 test_~tmp___0~3 := test_#t~nondet62;havoc test_#t~nondet62; 642#L860 assume !(0 != test_~tmp___0~3); 640#L860-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 639#L870 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 535#L878-1 assume !(0 != ~pumpRunning~0); 409#L599 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 410#L657 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 553#L631-1 assume !(0 == ~pumpRunning~0); 603#L606 havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 602#L974 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 600#L556 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 525#L556-1 [2019-01-01 23:48:50,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:50,983 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:48:50,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:50,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:50,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:50,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:50,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:51,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:51,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1405144267, now seen corresponding path program 1 times [2019-01-01 23:48:51,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:51,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:51,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:51,329 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:48:51,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:48:51,389 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 23:48:51,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:48:51,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:48:51,390 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:48:51,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:48:51,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:48:51,391 INFO L87 Difference]: Start difference. First operand 246 states and 360 transitions. cyclomatic complexity: 117 Second operand 3 states. [2019-01-01 23:48:51,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:48:51,805 INFO L93 Difference]: Finished difference Result 329 states and 460 transitions. [2019-01-01 23:48:51,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:48:51,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 329 states and 460 transitions. [2019-01-01 23:48:51,820 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2019-01-01 23:48:51,827 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 329 states to 329 states and 460 transitions. [2019-01-01 23:48:51,828 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 329 [2019-01-01 23:48:51,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 329 [2019-01-01 23:48:51,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 329 states and 460 transitions. [2019-01-01 23:48:51,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:48:51,833 INFO L705 BuchiCegarLoop]: Abstraction has 329 states and 460 transitions. [2019-01-01 23:48:51,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states and 460 transitions. [2019-01-01 23:48:51,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2019-01-01 23:48:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-01-01 23:48:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 460 transitions. [2019-01-01 23:48:51,867 INFO L728 BuchiCegarLoop]: Abstraction has 329 states and 460 transitions. [2019-01-01 23:48:51,867 INFO L608 BuchiCegarLoop]: Abstraction has 329 states and 460 transitions. [2019-01-01 23:48:51,867 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:48:51,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 329 states and 460 transitions. [2019-01-01 23:48:51,870 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2019-01-01 23:48:51,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:51,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:51,871 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:51,871 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 23:48:51,871 INFO L794 eck$LassoCheckResult]: Stem: 1113#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~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);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(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 1002#L-1 havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 1003#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; 1000#L73 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 1001#L165 assume 0 != main_~tmp~0; 1100#L141 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1101#L556-1 [2019-01-01 23:48:51,872 INFO L796 eck$LassoCheckResult]: Loop: 1101#L556-1 assume !false; 1291#L841 assume test_~splverifierCounter~0 < 4; 1290#L842 test_~tmp~10 := test_#t~nondet61;havoc test_#t~nondet61; 1289#L850 assume !(0 != test_~tmp~10); 1287#L850-1 test_~tmp___0~3 := test_#t~nondet62;havoc test_#t~nondet62; 1228#L860 assume !(0 != test_~tmp___0~3); 1226#L860-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 1225#L870 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1109#L878-1 assume !(0 != ~pumpRunning~0); 990#L599 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 991#L657 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 1081#L631-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1082#L982-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1009#L987-1 isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; 1010#L777-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 1039#L777-5 isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; 1011#L783-1 processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; 1012#L635-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 1093#L606 havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 1296#L974 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 1294#L556 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 1101#L556-1 [2019-01-01 23:48:51,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:51,872 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-01 23:48:51,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:51,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:51,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:51,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:51,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:52,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:52,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1224409665, now seen corresponding path program 1 times [2019-01-01 23:48:52,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:52,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:52,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:52,167 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:48:52,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:52,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:52,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1680480859, now seen corresponding path program 1 times [2019-01-01 23:48:52,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:52,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:52,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:52,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:52,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:53,497 WARN L181 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-01-01 23:48:53,789 WARN L181 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-01-01 23:49:18,220 WARN L181 SmtUtils]: Spent 24.40 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:49:33,080 WARN L181 SmtUtils]: Spent 14.86 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:49:33,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:49:33 BoogieIcfgContainer [2019-01-01 23:49:33,166 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:49:33,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:49:33,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:49:33,168 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:49:33,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:48:49" (3/4) ... [2019-01-01 23:49:33,173 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:49:33,318 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:49:33,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:49:33,319 INFO L168 Benchmark]: Toolchain (without parser) took 46789.85 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 944.7 MB in the beginning and 944.3 MB in the end (delta: 304.2 kB). Peak memory consumption was 333.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:33,320 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-01-01 23:49:33,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:33,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:33,323 INFO L168 Benchmark]: Boogie Preprocessor took 68.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:33,324 INFO L168 Benchmark]: RCFGBuilder took 1824.98 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: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:33,325 INFO L168 Benchmark]: BuchiAutomizer took 43819.18 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.3 MB). Free memory was 1.1 GB in the beginning and 956.0 MB in the end (delta: 103.7 MB). Peak memory consumption was 415.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:33,326 INFO L168 Benchmark]: Witness Printer took 151.38 ms. Allocated memory is still 1.4 GB. Free memory was 956.0 MB in the beginning and 944.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:33,331 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 819.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1824.98 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: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43819.18 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.3 MB). Free memory was 1.1 GB in the beginning and 956.0 MB in the end (delta: 103.7 MB). Peak memory consumption was 415.2 MB. Max. memory is 11.5 GB. * Witness Printer took 151.38 ms. Allocated memory is still 1.4 GB. Free memory was 956.0 MB in the beginning and 944.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 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 329 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 42.7s. Construction of modules took 0.5s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 329 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 361 SDtfs, 320 SDslu, 248 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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: 840]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=22091} State at position 1 is {retValue_acc=1, NULL=0, NULL=0, retValue_acc=0, NULL=22091, NULL=-10, NULL=0, NULL=16929, NULL=-6, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ec377c9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1abfea7d=0, tmp___0=0, NULL=0, NULL=-16, NULL=0, retValue_acc=0, NULL=-19, tmp___1=0, NULL=-14, NULL=-12, NULL=-7, tmp___0=0, cleanupTimeShifts=4, NULL=-17, NULL=-2, NULL=-15, NULL=-3, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dd9d415=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64fd8e32=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66ae6de8=0, NULL=-18, \result=0, NULL=-5, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=-9, NULL=-13, NULL=-21, NULL=-8, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37b3f333=0, NULL=0, NULL=0, \result=1, NULL=22089, NULL=-11, NULL=0, tmp=1, NULL=0, retValue_acc=1, tmp=0, tmp___0=0, tmp=1, retValue_acc=1, tmp___2=61, NULL=7840, splverifierCounter=0, NULL=-20, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38eb4a5e=0, NULL=-4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@308f0cf=61, NULL=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c912a33=0, NULL=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ea8fe6b=0, NULL=0, NULL=0, NULL=22090, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L78] int cleanupTimeShifts = 4; [L348] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L592] int pumpRunning = 0; [L593] int systemActive = 1; [L899] int waterLevel = 1; [L900] int methaneLevelCritical = 0; [L156] int retValue_acc ; [L157] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L163] tmp = valid_product() [L165] COND TRUE \read(tmp) [L831] int splverifierCounter ; [L832] int tmp ; [L833] int tmp___0 ; [L834] int tmp___1 ; [L835] int tmp___2 ; [L838] splverifierCounter = 0 Loop: [L840] COND TRUE 1 [L842] COND TRUE splverifierCounter < 4 [L848] tmp = __VERIFIER_nondet_int() [L850] COND FALSE !(\read(tmp)) [L858] tmp___0 = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp___0)) [L868] tmp___2 = __VERIFIER_nondet_int() [L870] COND TRUE \read(tmp___2) [L825] systemActive = 1 [L599] COND FALSE !(\read(pumpRunning)) [L606] COND TRUE \read(systemActive) [L654] int tmp ; [L657] COND FALSE !(\read(pumpRunning)) [L628] int tmp ; [L631] COND TRUE ! pumpRunning [L769] int retValue_acc ; [L770] int tmp ; [L771] int tmp___0 ; [L979] int retValue_acc ; [L982] COND TRUE waterLevel < 2 [L983] retValue_acc = 1 [L984] return (retValue_acc); [L775] tmp = isHighWaterSensorDry() [L777] COND TRUE \read(tmp) [L778] tmp___0 = 0 [L782] retValue_acc = tmp___0 [L783] return (retValue_acc); [L633] tmp = isHighWaterLevel() [L635] COND FALSE !(\read(tmp)) [L549] int tmp ; [L550] int tmp___0 ; [L970] int retValue_acc ; [L973] retValue_acc = waterLevel [L974] return (retValue_acc); [L554] tmp = getWaterLevel() [L556] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...