./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product31_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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ..................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:15:26,539 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:15:26,540 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:15:26,557 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:15:26,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:15:26,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:15:26,563 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:15:26,566 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:15:26,567 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:15:26,571 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:15:26,573 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:15:26,574 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:15:26,575 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:15:26,576 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:15:26,578 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:15:26,587 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:15:26,588 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:15:26,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:15:26,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:15:26,598 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:15:26,599 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:15:26,602 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:15:26,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:15:26,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:15:26,608 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:15:26,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:15:26,609 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:15:26,613 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:15:26,614 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:15:26,617 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:15:26,618 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:15:26,619 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:15:26,619 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:15:26,619 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:15:26,620 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:15:26,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:15:26,623 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:15:26,640 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:15:26,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:15:26,641 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:15:26,641 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:15:26,641 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:15:26,641 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:15:26,642 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:15:26,642 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:15:26,642 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:15:26,642 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:15:26,642 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:15:26,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:15:26,643 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:15:26,643 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:15:26,643 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:15:26,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:15:26,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:15:26,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:15:26,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:15:26,644 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:15:26,644 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:15:26,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:15:26,644 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:15:26,644 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:15:26,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:15:26,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:15:26,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:15:26,645 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:15:26,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:15:26,645 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:15:26,646 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:15:26,646 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:15:26,647 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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2019-01-14 04:15:26,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:15:26,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:15:26,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:15:26,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:15:26,712 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:15:26,714 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2019-01-14 04:15:26,771 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7627159c/111a4da5a8244c8997f6600d6c133ab4/FLAG6e21cd102 [2019-01-14 04:15:27,300 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:15:27,301 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2019-01-14 04:15:27,319 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7627159c/111a4da5a8244c8997f6600d6c133ab4/FLAG6e21cd102 [2019-01-14 04:15:27,594 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7627159c/111a4da5a8244c8997f6600d6c133ab4 [2019-01-14 04:15:27,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:15:27,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:15:27,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:15:27,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:15:27,607 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:15:27,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:15:27" (1/1) ... [2019-01-14 04:15:27,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1d16c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:27, skipping insertion in model container [2019-01-14 04:15:27,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:15:27" (1/1) ... [2019-01-14 04:15:27,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:15:27,700 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:15:28,079 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:15:28,112 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:15:28,294 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:15:28,342 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:15:28,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28 WrapperNode [2019-01-14 04:15:28,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:15:28,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:15:28,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:15:28,343 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:15:28,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... [2019-01-14 04:15:28,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... [2019-01-14 04:15:28,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:15:28,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:15:28,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:15:28,419 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:15:28,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... [2019-01-14 04:15:28,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... [2019-01-14 04:15:28,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... [2019-01-14 04:15:28,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... [2019-01-14 04:15:28,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... [2019-01-14 04:15:28,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... [2019-01-14 04:15:28,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... [2019-01-14 04:15:28,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:15:28,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:15:28,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:15:28,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:15:28,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:15:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:15:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:15:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:15:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:15:29,756 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:15:29,757 INFO L286 CfgBuilder]: Removed 160 assue(true) statements. [2019-01-14 04:15:29,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:15:29 BoogieIcfgContainer [2019-01-14 04:15:29,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:15:29,759 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:15:29,759 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:15:29,764 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:15:29,765 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:15:29,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:15:27" (1/3) ... [2019-01-14 04:15:29,766 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@216bed5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:15:29, skipping insertion in model container [2019-01-14 04:15:29,766 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:15:29,767 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:15:28" (2/3) ... [2019-01-14 04:15:29,768 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@216bed5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:15:29, skipping insertion in model container [2019-01-14 04:15:29,768 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:15:29,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:15:29" (3/3) ... [2019-01-14 04:15:29,771 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2019-01-14 04:15:29,825 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:15:29,825 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:15:29,825 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:15:29,826 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:15:29,826 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:15:29,827 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:15:29,827 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:15:29,827 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:15:29,827 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:15:29,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-01-14 04:15:29,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-14 04:15:29,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:15:29,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:15:29,883 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:15:29,883 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:15:29,884 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:15:29,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-01-14 04:15:29,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-14 04:15:29,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:15:29,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:15:29,893 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:15:29,893 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:15:29,900 INFO L794 eck$LassoCheckResult]: Stem: 82#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);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);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25); 8#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 35#L260true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 48#L268true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 61#L130true assume 0 != main_~tmp~0; 23#L103true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 83#L283-1true [2019-01-14 04:15:29,900 INFO L796 eck$LassoCheckResult]: Loop: 83#L283-1true assume !false; 95#L525true assume test_~splverifierCounter~0 < 4; 63#L526true test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 79#L534true assume !(0 != test_~tmp~6); 81#L534-1true test_~tmp___0~2 := test_#t~nondet36;havoc test_#t~nondet36; 5#L544true assume !(0 != test_~tmp___0~2); 7#L544-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 57#L554true assume 0 != test_~tmp___2~0; 36#L560-1true assume !(0 != ~pumpRunning~0); 76#L311true assume !(0 != ~systemActive~0); 12#L318true havoc __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_#t~ret13, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 102#L192-1true __utac_acc__Specification1_spec__1_#t~ret12 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; 84#L283true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 83#L283-1true [2019-01-14 04:15:29,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:15:29,907 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:15:29,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:15:29,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:15:29,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:29,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:15:29,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:30,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:15:30,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2019-01-14 04:15:30,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:15:30,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:15:30,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:30,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:15:30,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:30,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:15:30,903 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2019-01-14 04:15:30,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:15:30,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:15:30,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:30,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:15:30,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:15:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:15:31,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:15:31,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:15:31,403 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-01-14 04:15:31,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:15:31,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:15:31,448 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2019-01-14 04:15:32,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:15:32,061 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2019-01-14 04:15:32,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:15:32,064 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2019-01-14 04:15:32,080 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2019-01-14 04:15:32,089 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2019-01-14 04:15:32,090 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2019-01-14 04:15:32,092 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2019-01-14 04:15:32,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2019-01-14 04:15:32,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:15:32,094 INFO L706 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2019-01-14 04:15:32,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2019-01-14 04:15:32,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2019-01-14 04:15:32,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-01-14 04:15:32,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2019-01-14 04:15:32,139 INFO L729 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-01-14 04:15:32,139 INFO L609 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-01-14 04:15:32,139 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:15:32,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2019-01-14 04:15:32,142 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2019-01-14 04:15:32,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:15:32,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:15:32,143 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:15:32,143 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:15:32,144 INFO L794 eck$LassoCheckResult]: Stem: 463#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);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);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25); 386#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 387#L260 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 424#L268 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 439#L130 assume 0 != main_~tmp~0; 405#L103 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 406#L283-1 [2019-01-14 04:15:32,144 INFO L796 eck$LassoCheckResult]: Loop: 406#L283-1 assume !false; 464#L525 assume test_~splverifierCounter~0 < 4; 449#L526 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 450#L534 assume !(0 != test_~tmp~6); 461#L534-1 test_~tmp___0~2 := test_#t~nondet36;havoc test_#t~nondet36; 379#L544 assume !(0 != test_~tmp___0~2); 380#L544-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 385#L554 assume 0 != test_~tmp___2~0; 423#L560-1 assume !(0 != ~pumpRunning~0); 426#L311 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 452#L369 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 377#L343-1 assume !(0 != ~pumpRunning~0); 375#L318 havoc __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_#t~ret13, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 391#L192-1 __utac_acc__Specification1_spec__1_#t~ret12 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; 465#L283 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 406#L283-1 [2019-01-14 04:15:32,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:15:32,144 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:15:32,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:15:32,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:15:32,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:32,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:15:32,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:32,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:15:32,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2019-01-14 04:15:32,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:15:32,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:15:32,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:32,639 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:15:32,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:32,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:15:32,666 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2019-01-14 04:15:32,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:15:32,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:15:32,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:32,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:15:32,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:15:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:15:33,481 WARN L181 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-14 04:15:33,815 WARN L181 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-14 04:15:57,501 WARN L181 SmtUtils]: Spent 23.68 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:16:08,480 WARN L181 SmtUtils]: Spent 10.98 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:16:08,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:16:08 BoogieIcfgContainer [2019-01-14 04:16:08,553 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:16:08,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:16:08,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:16:08,554 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:16:08,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:15:29" (3/4) ... [2019-01-14 04:16:08,559 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:16:08,661 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:16:08,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:16:08,662 INFO L168 Benchmark]: Toolchain (without parser) took 41063.56 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.4 MB). Free memory was 951.4 MB in the beginning and 937.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 344.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:08,666 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:16:08,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:08,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.52 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:08,669 INFO L168 Benchmark]: Boogie Preprocessor took 50.60 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. [2019-01-14 04:16:08,669 INFO L168 Benchmark]: RCFGBuilder took 1288.62 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:08,670 INFO L168 Benchmark]: BuchiAutomizer took 38793.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 939.9 MB in the end (delta: 134.2 MB). Peak memory consumption was 407.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:08,671 INFO L168 Benchmark]: Witness Printer took 108.01 ms. Allocated memory is still 1.4 GB. Free memory was 939.9 MB in the beginning and 937.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:08,680 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 742.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.52 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.60 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 1288.62 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38793.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 939.9 MB in the end (delta: 134.2 MB). Peak memory consumption was 407.3 MB. Max. memory is 11.5 GB. * Witness Printer took 108.01 ms. Allocated memory is still 1.4 GB. Free memory was 939.9 MB in the beginning and 937.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 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 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.8s. Construction of modules took 0.3s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s 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: 524]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=15578} State at position 1 is {retValue_acc=0, NULL=0, NULL=0, NULL=-7, retValue_acc=0, NULL=15578, NULL=-22, NULL=0, NULL=0, methaneLevelCritical=0, NULL=-6, NULL=0, NULL=0, NULL=-3, tmp=0, NULL=0, NULL=-21, NULL=0, NULL=-1, tmp___1=0, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7063b968=0, NULL=-8, NULL=0, NULL=0, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, NULL=-4, NULL=-18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e929fa7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18acff98=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38493ca5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27481cc=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a05eac3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@244fec6e=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=7085, NULL=-12, NULL=0, NULL=-14, NULL=0, NULL=0, NULL=-10, \result=1, head=0, pumpRunning=0, tmp=1, NULL=-17, \result=0, NULL=-5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@676a207b=0, NULL=0, NULL=-20, NULL=0, NULL=0, tmp=0, retValue_acc=1, NULL=-19, NULL=15577, NULL=0, tmp___2=57, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=-9, NULL=-13, NULL=-15, tmp=0, head=0, NULL=-23, NULL=-11, NULL=0, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cfc2e4a=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L304] int pumpRunning = 0; [L305] int systemActive = 1; [L759] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L515] int splverifierCounter ; [L516] int tmp ; [L517] int tmp___0 ; [L518] int tmp___1 ; [L519] int tmp___2 ; [L522] splverifierCounter = 0 Loop: [L524] COND TRUE 1 [L526] COND TRUE splverifierCounter < 4 [L532] tmp = __VERIFIER_nondet_int() [L534] COND FALSE !(\read(tmp)) [L542] tmp___0 = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp___0)) [L552] tmp___2 = __VERIFIER_nondet_int() [L554] COND TRUE \read(tmp___2) [L311] COND FALSE !(\read(pumpRunning)) [L318] COND TRUE \read(systemActive) [L366] int tmp ; [L369] COND FALSE !(\read(pumpRunning)) [L340] int tmp ; [L343] COND FALSE !(\read(pumpRunning)) [L276] int tmp ; [L277] int tmp___0 ; [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...