./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product12_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_spec5_product12_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 9343b88a4e8cc40a93847bba5f39d0e11192791f ............................................................................................................................................................................................................................................................................................................................................................................. 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 23:49:53,593 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:49:53,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:49:53,609 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:49:53,609 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:49:53,610 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:49:53,612 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:49:53,613 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:49:53,615 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:49:53,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:49:53,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:49:53,617 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:49:53,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:49:53,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:49:53,620 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:49:53,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:49:53,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:49:53,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:49:53,626 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:49:53,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:49:53,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:49:53,634 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:49:53,636 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:49:53,636 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:49:53,637 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:49:53,638 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:49:53,644 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:49:53,648 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:49:53,648 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:49:53,649 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:49:53,649 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:49:53,650 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:49:53,650 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:49:53,650 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:49:53,654 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:49:53,655 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:49:53,655 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:49:53,681 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:49:53,681 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:49:53,685 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:49:53,686 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:49:53,686 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:49:53,687 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:49:53,687 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:49:53,687 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:49:53,687 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:49:53,687 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:49:53,687 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:49:53,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:49:53,688 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:49:53,688 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:49:53,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:49:53,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:49:53,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:49:53,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:49:53,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:49:53,690 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:49:53,690 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:49:53,690 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:49:53,690 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:49:53,691 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:49:53,691 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:49:53,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:49:53,691 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:49:53,692 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:49:53,692 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:49:53,692 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:49:53,692 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:49:53,694 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:49:53,694 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 -> 9343b88a4e8cc40a93847bba5f39d0e11192791f [2019-01-01 23:49:53,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:49:53,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:49:53,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:49:53,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:49:53,776 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:49:53,777 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product12_true-unreach-call_false-termination.cil.c [2019-01-01 23:49:53,840 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c8992b2/3e68e2faf5f44a23abb8accaea3ef280/FLAGc8f2fbee8 [2019-01-01 23:49:54,327 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:49:54,329 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product12_true-unreach-call_false-termination.cil.c [2019-01-01 23:49:54,350 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c8992b2/3e68e2faf5f44a23abb8accaea3ef280/FLAGc8f2fbee8 [2019-01-01 23:49:54,636 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19c8992b2/3e68e2faf5f44a23abb8accaea3ef280 [2019-01-01 23:49:54,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:49:54,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:49:54,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:49:54,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:49:54,647 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:49:54,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:49:54" (1/1) ... [2019-01-01 23:49:54,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69652895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:54, skipping insertion in model container [2019-01-01 23:49:54,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:49:54" (1/1) ... [2019-01-01 23:49:54,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:49:54,707 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:49:55,033 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:49:55,064 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:49:55,198 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:49:55,329 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:49:55,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55 WrapperNode [2019-01-01 23:49:55,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:49:55,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:49:55,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:49:55,330 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:49:55,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (1/1) ... [2019-01-01 23:49:55,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (1/1) ... [2019-01-01 23:49:55,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:49:55,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:49:55,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:49:55,395 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:49:55,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (1/1) ... [2019-01-01 23:49:55,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (1/1) ... [2019-01-01 23:49:55,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (1/1) ... [2019-01-01 23:49:55,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (1/1) ... [2019-01-01 23:49:55,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (1/1) ... [2019-01-01 23:49:55,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (1/1) ... [2019-01-01 23:49:55,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (1/1) ... [2019-01-01 23:49:55,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:49:55,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:49:55,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:49:55,445 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:49:55,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (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 23:49:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:49:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:49:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:49:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:49:56,555 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:49:56,555 INFO L280 CfgBuilder]: Removed 86 assue(true) statements. [2019-01-01 23:49:56,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:49:56 BoogieIcfgContainer [2019-01-01 23:49:56,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:49:56,557 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:49:56,557 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:49:56,560 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:49:56,561 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:49:56,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:49:54" (1/3) ... [2019-01-01 23:49:56,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ae75eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:49:56, skipping insertion in model container [2019-01-01 23:49:56,562 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:49:56,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:49:55" (2/3) ... [2019-01-01 23:49:56,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ae75eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:49:56, skipping insertion in model container [2019-01-01 23:49:56,563 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:49:56,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:49:56" (3/3) ... [2019-01-01 23:49:56,565 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product12_true-unreach-call_false-termination.cil.c [2019-01-01 23:49:56,617 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:49:56,618 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:49:56,618 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:49:56,618 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:49:56,620 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:49:56,620 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:49:56,620 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:49:56,620 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:49:56,621 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:49:56,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2019-01-01 23:49:56,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-01-01 23:49:56,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:49:56,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:49:56,676 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:49:56,676 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:49:56,677 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:49:56,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2019-01-01 23:49:56,682 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-01-01 23:49:56,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:49:56,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:49:56,683 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:49:56,683 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:49:56,689 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(77, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(101, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(116, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(104, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string26.base, #t~string26.offset, 1);call write~init~int(82, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(73, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(84, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 4 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(75, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25); 7#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 56#L901true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 60#L909true main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 50#L499true assume 0 != main_~tmp~3; 19#L472true ~switchedOnBeforeTS~0 := 0; 42#L49true havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 17#L70-1true [2019-01-01 23:49:56,689 INFO L796 eck$LassoCheckResult]: Loop: 17#L70-1true assume !false; 67#L346true assume test_~splverifierCounter~0 < 4; 14#L347true test_~tmp~2 := test_#t~nondet31;havoc test_#t~nondet31; 18#L355true assume !(0 != test_~tmp~2); 23#L355-1true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 3#L365true assume !(0 != test_~tmp___0~1); 4#L365-1true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 62#L375true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 65#L383-1true havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 43#L188true __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 20#L59true assume !(0 != ~pumpRunning~0); 38#L111true assume 0 != ~systemActive~0; 51#L118true havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 8#L329true __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 21#L70true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 17#L70-1true [2019-01-01 23:49:56,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:49:56,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-01 23:49:56,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:49:56,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:49:56,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:56,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:49:56,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:49:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:49:57,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:49:57,546 INFO L82 PathProgramCache]: Analyzing trace with hash 674243929, now seen corresponding path program 1 times [2019-01-01 23:49:57,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:49:57,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:49:57,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:57,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:49:57,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:49:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:49:57,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:49:57,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1686698157, now seen corresponding path program 1 times [2019-01-01 23:49:57,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:49:57,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:49:57,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:57,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:49:57,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:49:57,864 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 23:49:57,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:49:57,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:49:58,254 WARN L181 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-01-01 23:49:58,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 23:49:58,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 23:49:58,349 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 5 states. [2019-01-01 23:49:59,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:49:59,435 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2019-01-01 23:49:59,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 23:49:59,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 230 transitions. [2019-01-01 23:49:59,455 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2019-01-01 23:49:59,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 152 states and 212 transitions. [2019-01-01 23:49:59,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2019-01-01 23:49:59,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2019-01-01 23:49:59,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 212 transitions. [2019-01-01 23:49:59,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:49:59,468 INFO L705 BuchiCegarLoop]: Abstraction has 152 states and 212 transitions. [2019-01-01 23:49:59,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 212 transitions. [2019-01-01 23:49:59,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 109. [2019-01-01 23:49:59,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-01-01 23:49:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2019-01-01 23:49:59,530 INFO L728 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2019-01-01 23:49:59,530 INFO L608 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2019-01-01 23:49:59,530 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:49:59,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 148 transitions. [2019-01-01 23:49:59,538 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2019-01-01 23:49:59,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:49:59,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:49:59,540 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:49:59,540 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:49:59,542 INFO L794 eck$LassoCheckResult]: Stem: 307#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(77, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(101, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(116, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(104, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string26.base, #t~string26.offset, 1);call write~init~int(82, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(73, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(84, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 4 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(75, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25); 263#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 264#L901 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 328#L909 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 325#L499 assume 0 != main_~tmp~3; 283#L472 ~switchedOnBeforeTS~0 := 0; 284#L49 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 278#L70-1 [2019-01-01 23:49:59,544 INFO L796 eck$LassoCheckResult]: Loop: 278#L70-1 assume !false; 279#L346 assume test_~splverifierCounter~0 < 4; 273#L347 test_~tmp~2 := test_#t~nondet31;havoc test_#t~nondet31; 274#L355 assume !(0 != test_~tmp~2); 293#L355-1 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 254#L365 assume !(0 != test_~tmp___0~1); 256#L365-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 257#L375 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 262#L383-1 havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 320#L188 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 285#L59 assume !(0 != ~pumpRunning~0); 286#L111 assume 0 != ~systemActive~0; 351#L118 havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 350#L329 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 288#L70 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 289#L188-1 __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 322#L74 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 278#L70-1 [2019-01-01 23:49:59,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:49:59,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-01 23:49:59,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:49:59,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:49:59,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:59,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:49:59,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:49:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:49:59,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:49:59,859 INFO L82 PathProgramCache]: Analyzing trace with hash -591660588, now seen corresponding path program 1 times [2019-01-01 23:49:59,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:49:59,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:49:59,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:59,861 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:49:59,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:49:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:49:59,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:49:59,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1714272946, now seen corresponding path program 1 times [2019-01-01 23:49:59,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:49:59,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:49:59,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:59,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:49:59,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:49:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:50:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:50:00,648 WARN L181 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-01-01 23:50:00,764 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-01-01 23:50:30,092 WARN L181 SmtUtils]: Spent 29.32 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-01 23:50:45,362 WARN L181 SmtUtils]: Spent 15.26 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-01 23:50:45,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:50:45 BoogieIcfgContainer [2019-01-01 23:50:45,437 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:50:45,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:50:45,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:50:45,438 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:50:45,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:49:56" (3/4) ... [2019-01-01 23:50:45,444 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:50:45,538 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:50:45,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:50:45,543 INFO L168 Benchmark]: Toolchain (without parser) took 50901.93 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -68.6 MB). Peak memory consumption was 250.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:50:45,546 INFO L168 Benchmark]: CDTParser took 0.19 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 23:50:45,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:50:45,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.86 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 23:50:45,548 INFO L168 Benchmark]: Boogie Preprocessor took 49.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:50:45,548 INFO L168 Benchmark]: RCFGBuilder took 1111.62 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:50:45,555 INFO L168 Benchmark]: BuchiAutomizer took 48881.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 417.5 MB. Max. memory is 11.5 GB. [2019-01-01 23:50:45,556 INFO L168 Benchmark]: Witness Printer took 103.86 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: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:50:45,563 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 686.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.86 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 49.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1111.62 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48881.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 417.5 MB. Max. memory is 11.5 GB. * Witness Printer took 103.86 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: 9.3 MB). Peak memory consumption was 9.3 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 5 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 47.4s. Construction of modules took 0.7s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 43 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 239 SDslu, 247 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 345]: 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=0, NULL=-18, NULL=-4, NULL=0, NULL=0, retValue_acc=0, NULL=-11, NULL=-3, NULL=-2, methaneLevelCritical=0, NULL=-20, tmp=0, NULL=0, NULL=0, NULL=0, NULL=-5, NULL=0, tmp___1=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16081b54=0, NULL=0, NULL=0, NULL=-8, NULL=-6, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=-7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73bf0b7d=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ad25d01=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aa0c9b5=66, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=-23, NULL=0, NULL=-22, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=1, tmp___0=0, \result=1, NULL=-14, head=0, pumpRunning=0, NULL=-16, \result=0, tmp=1, NULL=-12, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@708fb2c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7be1eae=0, NULL=-25, retValue_acc=1, NULL=-13, tmp___2=66, NULL=-9, tmp___0=0, NULL=-10, splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a2b9047=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22b01d7a=0, NULL=-19, NULL=-15, head=0, retValue_acc=0, NULL=0, NULL=0, NULL=-1, NULL=0, NULL=0, NULL=-21, NULL=0, NULL=-17, NULL=-24} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L43] int switchedOnBeforeTS ; [L101] int pumpRunning = 0; [L102] int systemActive = 1; [L254] int waterLevel = 1; [L255] int methaneLevelCritical = 0; [L413] int cleanupTimeShifts = 4; [L682] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int retValue_acc ; [L491] int tmp ; [L905] int retValue_acc ; [L908] retValue_acc = 1 [L909] return (retValue_acc); [L497] tmp = valid_product() [L499] COND TRUE \read(tmp) [L48] switchedOnBeforeTS = 0 [L336] int splverifierCounter ; [L337] int tmp ; [L338] int tmp___0 ; [L339] int tmp___1 ; [L340] int tmp___2 ; [L343] splverifierCounter = 0 Loop: [L345] COND TRUE 1 [L347] COND TRUE splverifierCounter < 4 [L353] tmp = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp)) [L363] tmp___0 = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp___0)) [L373] tmp___2 = __VERIFIER_nondet_int() [L375] COND TRUE \read(tmp___2) [L247] systemActive = 1 [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); [L57] switchedOnBeforeTS = isPumpRunning() [L111] COND FALSE !(\read(pumpRunning)) [L118] COND TRUE \read(systemActive) [L63] int tmp ; [L64] int tmp___0 ; [L325] int retValue_acc ; [L328] retValue_acc = waterLevel [L329] return (retValue_acc); [L68] tmp = getWaterLevel() [L70] COND TRUE tmp != 2 [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); [L72] tmp___0 = isPumpRunning() [L74] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...