./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/recursive-simple/id_i5_o5_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e 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/recursive-simple/id_i5_o5_false-unreach-call_true-termination.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 bd8a40b9ab0ccbf5be4fcc211d81cb04996473fb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-29 00:03:41,639 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-29 00:03:41,641 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-29 00:03:41,660 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-29 00:03:41,660 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-29 00:03:41,661 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-29 00:03:41,663 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-29 00:03:41,666 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-29 00:03:41,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-29 00:03:41,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-29 00:03:41,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-29 00:03:41,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-29 00:03:41,680 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-29 00:03:41,681 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-29 00:03:41,684 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-29 00:03:41,685 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-29 00:03:41,686 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-29 00:03:41,688 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-29 00:03:41,695 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-29 00:03:41,697 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-29 00:03:41,699 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-29 00:03:41,700 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-29 00:03:41,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-29 00:03:41,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-29 00:03:41,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-29 00:03:41,706 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-29 00:03:41,706 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-29 00:03:41,709 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-29 00:03:41,710 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-29 00:03:41,712 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-29 00:03:41,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-29 00:03:41,715 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-29 00:03:41,716 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-29 00:03:41,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-29 00:03:41,717 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-29 00:03:41,717 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-29 00:03:41,718 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-29 00:03:41,735 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-29 00:03:41,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-29 00:03:41,736 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-29 00:03:41,736 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-29 00:03:41,737 INFO L133 SettingsManager]: * Use SBE=true [2018-11-29 00:03:41,737 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-29 00:03:41,737 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-29 00:03:41,737 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-29 00:03:41,737 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-29 00:03:41,737 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-29 00:03:41,738 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-29 00:03:41,738 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-29 00:03:41,738 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-29 00:03:41,738 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-29 00:03:41,738 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-29 00:03:41,738 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-29 00:03:41,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-29 00:03:41,739 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-29 00:03:41,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-29 00:03:41,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-29 00:03:41,739 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-29 00:03:41,739 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-29 00:03:41,740 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-29 00:03:41,740 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-29 00:03:41,740 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-29 00:03:41,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-29 00:03:41,740 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-29 00:03:41,740 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-29 00:03:41,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-29 00:03:41,741 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-29 00:03:41,741 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-29 00:03:41,742 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-29 00:03:41,742 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 -> bd8a40b9ab0ccbf5be4fcc211d81cb04996473fb [2018-11-29 00:03:41,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-29 00:03:41,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-29 00:03:41,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-29 00:03:41,815 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-29 00:03:41,815 INFO L276 PluginConnector]: CDTParser initialized [2018-11-29 00:03:41,816 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive-simple/id_i5_o5_false-unreach-call_true-termination.c [2018-11-29 00:03:41,884 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c5bba0a/e82f2bf6b5924a20b7f55e4c81c088d1/FLAGe02bbf04a [2018-11-29 00:03:42,337 INFO L307 CDTParser]: Found 1 translation units. [2018-11-29 00:03:42,338 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive-simple/id_i5_o5_false-unreach-call_true-termination.c [2018-11-29 00:03:42,343 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c5bba0a/e82f2bf6b5924a20b7f55e4c81c088d1/FLAGe02bbf04a [2018-11-29 00:03:42,687 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c5bba0a/e82f2bf6b5924a20b7f55e4c81c088d1 [2018-11-29 00:03:42,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-29 00:03:42,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-29 00:03:42,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-29 00:03:42,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-29 00:03:42,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-29 00:03:42,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:42,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6933c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42, skipping insertion in model container [2018-11-29 00:03:42,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:42,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-29 00:03:42,730 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-29 00:03:42,901 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:03:42,905 INFO L191 MainTranslator]: Completed pre-run [2018-11-29 00:03:42,922 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:03:42,941 INFO L195 MainTranslator]: Completed translation [2018-11-29 00:03:42,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42 WrapperNode [2018-11-29 00:03:42,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-29 00:03:42,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-29 00:03:42,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-29 00:03:42,944 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-29 00:03:42,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:42,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:42,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-29 00:03:42,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-29 00:03:42,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-29 00:03:42,992 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-29 00:03:43,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:43,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:43,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:43,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:43,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:43,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:43,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (1/1) ... [2018-11-29 00:03:43,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-29 00:03:43,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-29 00:03:43,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-29 00:03:43,018 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-29 00:03:43,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (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 [2018-11-29 00:03:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-29 00:03:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-29 00:03:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-29 00:03:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-29 00:03:43,535 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-29 00:03:43,537 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-29 00:03:43,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:03:43 BoogieIcfgContainer [2018-11-29 00:03:43,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-29 00:03:43,538 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-29 00:03:43,538 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-29 00:03:43,543 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-29 00:03:43,545 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:03:43,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:03:42" (1/3) ... [2018-11-29 00:03:43,547 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bbdd1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:03:43, skipping insertion in model container [2018-11-29 00:03:43,547 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:03:43,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:03:42" (2/3) ... [2018-11-29 00:03:43,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bbdd1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:03:43, skipping insertion in model container [2018-11-29 00:03:43,548 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:03:43,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:03:43" (3/3) ... [2018-11-29 00:03:43,553 INFO L375 chiAutomizerObserver]: Analyzing ICFG id_i5_o5_false-unreach-call_true-termination.c [2018-11-29 00:03:43,691 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-29 00:03:43,692 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-29 00:03:43,693 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-29 00:03:43,693 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-29 00:03:43,693 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-29 00:03:43,693 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-29 00:03:43,693 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-29 00:03:43,693 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-29 00:03:43,693 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-29 00:03:43,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-29 00:03:43,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-29 00:03:43,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:03:43,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:03:43,756 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-29 00:03:43,756 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-29 00:03:43,756 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-29 00:03:43,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-29 00:03:43,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-29 00:03:43,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:03:43,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:03:43,760 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-29 00:03:43,760 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-29 00:03:43,770 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 5; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2018-11-29 00:03:43,771 INFO L796 eck$LassoCheckResult]: Loop: 9#idENTRYtrue ~x := #in~x; 14#L5true assume !(0 == ~x); 11#L6true call #t~ret0 := id(~x - 1);< 9#idENTRYtrue [2018-11-29 00:03:43,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:03:43,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2018-11-29 00:03:43,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:03:43,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:03:43,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:03:43,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:03:43,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:03:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:03:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:03:43,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:03:43,879 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2018-11-29 00:03:43,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:03:43,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:03:43,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:03:43,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:03:43,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:03:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:03:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:03:43,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:03:43,894 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2018-11-29 00:03:43,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:03:43,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:03:43,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:03:43,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:03:43,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:03:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:03:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:03:44,090 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:03:44,091 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:03:44,091 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:03:44,091 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:03:44,092 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-29 00:03:44,092 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:44,092 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:03:44,092 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:03:44,092 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i5_o5_false-unreach-call_true-termination.c_Iteration1_Loop [2018-11-29 00:03:44,092 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:03:44,094 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:03:44,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,302 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:03:44,303 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:44,308 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:03:44,308 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:03:44,317 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:03:44,317 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:44,341 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:03:44,341 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:03:44,346 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:03:44,346 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:44,372 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:03:44,372 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-29 00:03:44,419 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:03:44,420 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:44,446 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:03:44,447 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-8} Honda state: {id_#in~x=-8} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=0}, {id_#in~x=0}] Lambdas: [1, 0, 8] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-29 00:03:44,485 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:03:44,486 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:44,501 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:03:44,501 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-29 00:03:44,745 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:03:44,745 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:03:44,745 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:03:44,745 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:03:44,745 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-29 00:03:44,746 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:44,746 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:03:44,746 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:03:44,746 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i5_o5_false-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-29 00:03:44,747 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:03:44,747 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:03:44,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:44,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,206 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-29 00:03:45,229 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:03:45,229 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:45,237 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:03:45,238 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:03:45,249 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:03:45,249 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:45,274 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:03:45,274 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:45,300 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:03:45,300 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:03:45,331 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-29 00:03:45,334 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:03:45,334 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:03:45,334 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:03:45,334 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:03:45,334 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-29 00:03:45,335 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:03:45,335 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:03:45,336 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:03:45,336 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i5_o5_false-unreach-call_true-termination.c_Iteration1_Lasso [2018-11-29 00:03:45,336 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:03:45,336 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:03:45,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:03:45,489 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:03:45,493 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-29 00:03:45,495 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:03:45,497 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:03:45,497 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:03:45,498 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:03:45,498 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:03:45,498 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:03:45,500 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:03:45,501 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:03:45,504 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:03:45,505 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:03:45,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:03:45,506 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:03:45,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:03:45,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:03:45,506 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:03:45,507 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:03:45,507 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:03:45,508 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:03:45,509 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:03:45,509 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:03:45,510 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:03:45,510 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:03:45,510 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:03:45,510 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:03:45,511 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:03:45,511 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:03:45,512 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:03:45,513 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:03:45,514 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:03:45,514 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:03:45,514 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:03:45,514 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:03:45,515 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:03:45,515 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:03:45,515 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:03:45,517 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:03:45,518 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:03:45,518 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:03:45,519 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:03:45,519 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:03:45,519 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:03:45,519 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:03:45,520 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:03:45,520 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:03:45,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:03:45,522 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:03:45,522 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:03:45,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:03:45,523 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:03:45,523 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:03:45,523 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:03:45,524 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:03:45,524 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:03:45,526 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:03:45,526 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:03:45,527 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:03:45,528 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:03:45,528 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-29 00:03:45,528 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:03:45,539 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-29 00:03:45,539 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-29 00:03:45,682 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-29 00:03:45,771 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-29 00:03:45,771 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. [2018-11-29 00:03:45,773 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-29 00:03:45,780 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-29 00:03:45,780 INFO L518 LassoAnalysis]: Proved termination. [2018-11-29 00:03:45,781 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2018-11-29 00:03:45,793 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-29 00:03:45,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:03:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:03:45,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:03:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:03:46,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:03:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:03:46,165 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2018-11-29 00:03:46,166 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2018-11-29 00:03:46,696 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-29 00:03:46,850 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 29 states and 34 transitions. Complement of second has 13 states. [2018-11-29 00:03:46,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-29 00:03:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-29 00:03:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2018-11-29 00:03:46,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-29 00:03:46,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:03:46,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-29 00:03:46,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:03:46,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-29 00:03:46,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:03:46,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2018-11-29 00:03:46,861 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:03:46,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2018-11-29 00:03:46,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-29 00:03:46,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-29 00:03:46,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-29 00:03:46,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:03:46,867 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:03:46,867 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:03:46,867 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:03:46,867 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-29 00:03:46,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-29 00:03:46,868 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:03:46,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-29 00:03:46,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:03:46 BoogieIcfgContainer [2018-11-29 00:03:46,876 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-29 00:03:46,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-29 00:03:46,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-29 00:03:46,877 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-29 00:03:46,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:03:43" (3/4) ... [2018-11-29 00:03:46,882 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-29 00:03:46,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-29 00:03:46,883 INFO L168 Benchmark]: Toolchain (without parser) took 4191.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.7 MB in the beginning and 965.9 MB in the end (delta: -13.2 MB). Peak memory consumption was 113.6 MB. Max. memory is 11.5 GB. [2018-11-29 00:03:46,884 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. [2018-11-29 00:03:46,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.36 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-29 00:03:46,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.29 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:03:46,886 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:03:46,887 INFO L168 Benchmark]: RCFGBuilder took 519.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-29 00:03:46,888 INFO L168 Benchmark]: BuchiAutomizer took 3337.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.9 MB in the end (delta: 145.0 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. [2018-11-29 00:03:46,889 INFO L168 Benchmark]: Witness Printer took 5.59 ms. Allocated memory is still 1.2 GB. Free memory is still 965.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:03:46,894 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 249.36 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.29 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 519.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3337.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.9 MB in the end (delta: 145.0 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.59 ms. Allocated memory is still 1.2 GB. Free memory is still 965.9 MB. There was no memory consumed. 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 (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq202 hnf95 smp100 dnf150 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 254ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...