./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/recursive/Addition03_true-unreach-call_true-no-overflow_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/Addition03_true-unreach-call_true-no-overflow_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 dc212c6f03bbd9a964d699fa8baa949beea27f48 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:01:57,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-29 00:01:57,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-29 00:01:57,777 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-29 00:01:57,778 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-29 00:01:57,779 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-29 00:01:57,780 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-29 00:01:57,783 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-29 00:01:57,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-29 00:01:57,787 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-29 00:01:57,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-29 00:01:57,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-29 00:01:57,792 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-29 00:01:57,793 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-29 00:01:57,797 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-29 00:01:57,798 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-29 00:01:57,799 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-29 00:01:57,801 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-29 00:01:57,803 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-29 00:01:57,805 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-29 00:01:57,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-29 00:01:57,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-29 00:01:57,810 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-29 00:01:57,810 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-29 00:01:57,811 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-29 00:01:57,812 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-29 00:01:57,813 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-29 00:01:57,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-29 00:01:57,815 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-29 00:01:57,816 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-29 00:01:57,816 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-29 00:01:57,817 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-29 00:01:57,817 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-29 00:01:57,817 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-29 00:01:57,818 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-29 00:01:57,819 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-29 00:01:57,819 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-29 00:01:57,837 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-29 00:01:57,837 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-29 00:01:57,839 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-29 00:01:57,839 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-29 00:01:57,839 INFO L133 SettingsManager]: * Use SBE=true [2018-11-29 00:01:57,839 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-29 00:01:57,840 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-29 00:01:57,840 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-29 00:01:57,840 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-29 00:01:57,841 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-29 00:01:57,841 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-29 00:01:57,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-29 00:01:57,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-29 00:01:57,841 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-29 00:01:57,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-29 00:01:57,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-29 00:01:57,843 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-29 00:01:57,843 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-29 00:01:57,843 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-29 00:01:57,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-29 00:01:57,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-29 00:01:57,844 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-29 00:01:57,844 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-29 00:01:57,844 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-29 00:01:57,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-29 00:01:57,845 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-29 00:01:57,845 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-29 00:01:57,845 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-29 00:01:57,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-29 00:01:57,846 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-29 00:01:57,846 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-29 00:01:57,848 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-29 00:01:57,848 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 -> dc212c6f03bbd9a964d699fa8baa949beea27f48 [2018-11-29 00:01:57,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-29 00:01:57,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-29 00:01:57,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-29 00:01:57,902 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-29 00:01:57,902 INFO L276 PluginConnector]: CDTParser initialized [2018-11-29 00:01:57,904 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c [2018-11-29 00:01:57,971 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b52b20fb/89c9da62bbbc4134b5dbba0799034fdd/FLAG47b2092df [2018-11-29 00:01:58,413 INFO L307 CDTParser]: Found 1 translation units. [2018-11-29 00:01:58,414 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c [2018-11-29 00:01:58,420 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b52b20fb/89c9da62bbbc4134b5dbba0799034fdd/FLAG47b2092df [2018-11-29 00:01:58,770 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b52b20fb/89c9da62bbbc4134b5dbba0799034fdd [2018-11-29 00:01:58,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-29 00:01:58,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-29 00:01:58,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-29 00:01:58,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-29 00:01:58,781 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-29 00:01:58,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:01:58" (1/1) ... [2018-11-29 00:01:58,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:58, skipping insertion in model container [2018-11-29 00:01:58,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:01:58" (1/1) ... [2018-11-29 00:01:58,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-29 00:01:58,816 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-29 00:01:59,039 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:01:59,048 INFO L191 MainTranslator]: Completed pre-run [2018-11-29 00:01:59,070 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:01:59,089 INFO L195 MainTranslator]: Completed translation [2018-11-29 00:01:59,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59 WrapperNode [2018-11-29 00:01:59,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-29 00:01:59,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-29 00:01:59,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-29 00:01:59,092 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-29 00:01:59,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (1/1) ... [2018-11-29 00:01:59,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (1/1) ... [2018-11-29 00:01:59,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-29 00:01:59,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-29 00:01:59,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-29 00:01:59,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-29 00:01:59,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (1/1) ... [2018-11-29 00:01:59,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (1/1) ... [2018-11-29 00:01:59,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (1/1) ... [2018-11-29 00:01:59,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (1/1) ... [2018-11-29 00:01:59,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (1/1) ... [2018-11-29 00:01:59,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (1/1) ... [2018-11-29 00:01:59,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (1/1) ... [2018-11-29 00:01:59,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-29 00:01:59,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-29 00:01:59,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-29 00:01:59,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-29 00:01:59,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (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 00:01:59,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-29 00:01:59,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-29 00:01:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2018-11-29 00:01:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2018-11-29 00:01:59,525 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-29 00:01:59,525 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-29 00:01:59,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:01:59 BoogieIcfgContainer [2018-11-29 00:01:59,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-29 00:01:59,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-29 00:01:59,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-29 00:01:59,530 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-29 00:01:59,532 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:01:59,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:01:58" (1/3) ... [2018-11-29 00:01:59,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de940a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:01:59, skipping insertion in model container [2018-11-29 00:01:59,533 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:01:59,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:59" (2/3) ... [2018-11-29 00:01:59,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de940a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:01:59, skipping insertion in model container [2018-11-29 00:01:59,534 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:01:59,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:01:59" (3/3) ... [2018-11-29 00:01:59,536 INFO L375 chiAutomizerObserver]: Analyzing ICFG Addition03_true-unreach-call_true-no-overflow_true-termination.c [2018-11-29 00:01:59,597 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-29 00:01:59,598 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-29 00:01:59,598 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-29 00:01:59,598 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-29 00:01:59,599 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-29 00:01:59,599 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-29 00:01:59,599 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-29 00:01:59,599 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-29 00:01:59,599 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-29 00:01:59,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2018-11-29 00:01:59,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-29 00:01:59,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:01:59,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:01:59,685 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-29 00:01:59,685 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-29 00:01:59,685 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-29 00:01:59,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2018-11-29 00:01:59,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-29 00:01:59,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:01:59,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:01:59,689 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-29 00:01:59,689 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-29 00:01:59,701 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 8#L29true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 13#additionENTRYtrue [2018-11-29 00:01:59,701 INFO L796 eck$LassoCheckResult]: Loop: 13#additionENTRYtrue ~m := #in~m;~n := #in~n; 16#L14true assume !(0 == ~n); 11#L17true assume ~n > 0; 9#L18true call #t~ret0 := addition(1 + ~m, ~n - 1);< 13#additionENTRYtrue [2018-11-29 00:01:59,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:01:59,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1024, now seen corresponding path program 1 times [2018-11-29 00:01:59,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:01:59,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:01:59,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:01:59,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:01:59,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:01:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:01:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:01:59,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:01:59,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1358578, now seen corresponding path program 1 times [2018-11-29 00:01:59,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:01:59,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:01:59,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:01:59,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:01:59,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:01:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:01:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:01:59,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:01:59,836 INFO L82 PathProgramCache]: Analyzing trace with hash 946120561, now seen corresponding path program 1 times [2018-11-29 00:01:59,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:01:59,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:01:59,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:01:59,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:01:59,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:01:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:01:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:02:00,066 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:02:00,067 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:02:00,067 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:02:00,067 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:02:00,067 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-29 00:02:00,067 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:00,068 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:02:00,068 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:02:00,068 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-29 00:02:00,068 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:02:00,069 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:02:00,091 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 00:02:00,110 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 00:02:00,113 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 00:02:00,132 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 00:02:00,144 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 00:02:00,150 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 00:02:00,203 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 00:02:00,356 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:02:00,357 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 00:02:00,369 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:00,370 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:00,390 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:00,390 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=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) [2018-11-29 00:02:00,424 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:00,424 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:00,433 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:00,434 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=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 00:02:00,471 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:00,472 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:00,482 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:00,482 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:00,506 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:00,506 INFO L163 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:00,542 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:02:00,542 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:00,556 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:00,557 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=5}, {addition_#in~m=4}, {addition_#in~m=-8}] Lambdas: [1, 3, 1] Nus: [0, 1] 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 00:02:00,608 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:00,609 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:00,613 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:00,613 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#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 00:02:00,635 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:00,635 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 00:02:00,662 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:02:00,662 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:00,688 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-29 00:02:00,690 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:02:00,690 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:02:00,690 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:02:00,690 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:02:00,690 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-29 00:02:00,691 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:00,691 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:02:00,691 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:02:00,691 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-29 00:02:00,691 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:02:00,691 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:02:00,695 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 00:02:00,713 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 00:02:00,736 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 00:02:00,743 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 00:02:00,753 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 00:02:00,757 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 00:02:00,763 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 00:02:01,012 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:02:01,019 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-29 00:02:01,021 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 00:02:01,023 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:01,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:01,024 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:01,024 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:01,024 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:01,027 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:01,027 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:01,032 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:01,033 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 00:02:01,033 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:01,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:01,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:01,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:01,034 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:01,035 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:01,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:01,038 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:01,039 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 00:02:01,040 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:01,040 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:01,040 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:01,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:01,041 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:01,041 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:01,043 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:01,045 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:01,045 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 00:02:01,046 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:01,046 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:01,046 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:01,047 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:01,047 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:01,048 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:01,048 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:01,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:01,064 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 00:02:01,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:01,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:01,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:01,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:01,066 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:01,069 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:01,069 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:01,073 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:01,074 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 00:02:01,075 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:01,075 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:01,076 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:01,076 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:01,076 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:01,077 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:01,078 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:01,080 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:01,086 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 00:02:01,087 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:01,088 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:01,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:01,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:01,088 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:01,090 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:01,090 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:01,104 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-29 00:02:01,116 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-29 00:02:01,116 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-29 00:02:01,122 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-29 00:02:01,122 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-29 00:02:01,123 INFO L518 LassoAnalysis]: Proved termination. [2018-11-29 00:02:01,123 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2018-11-29 00:02:01,128 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-29 00:02:01,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:02:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:02:01,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:02:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:02:01,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:02:01,480 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 00:02:01,495 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-29 00:02:01,496 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 4 states. [2018-11-29 00:02:01,919 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 4 states. Result 48 states and 66 transitions. Complement of second has 12 states. [2018-11-29 00:02:01,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-29 00:02:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-29 00:02:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2018-11-29 00:02:01,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-29 00:02:01,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:02:01,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-29 00:02:01,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:02:01,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 8 letters. [2018-11-29 00:02:01,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:02:01,931 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 66 transitions. [2018-11-29 00:02:01,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-29 00:02:01,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 24 states and 27 transitions. [2018-11-29 00:02:01,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2018-11-29 00:02:01,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2018-11-29 00:02:01,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2018-11-29 00:02:01,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-29 00:02:01,955 INFO L705 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2018-11-29 00:02:01,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2018-11-29 00:02:01,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 15. [2018-11-29 00:02:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-29 00:02:01,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2018-11-29 00:02:01,998 INFO L728 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2018-11-29 00:02:01,999 INFO L608 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2018-11-29 00:02:01,999 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-29 00:02:01,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2018-11-29 00:02:02,000 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-29 00:02:02,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:02:02,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:02:02,003 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-29 00:02:02,003 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-29 00:02:02,003 INFO L794 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 123#L29 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 124#additionENTRY ~m := #in~m;~n := #in~n; 126#L14 assume !(0 == ~n); 130#L17 assume !(~n > 0); 119#L20 [2018-11-29 00:02:02,004 INFO L796 eck$LassoCheckResult]: Loop: 119#L20 assume ~n < 0; 120#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 128#additionENTRY ~m := #in~m;~n := #in~n; 133#L14 assume !(0 == ~n); 132#L17 assume !(~n > 0); 119#L20 [2018-11-29 00:02:02,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:02:02,004 INFO L82 PathProgramCache]: Analyzing trace with hash 30520020, now seen corresponding path program 1 times [2018-11-29 00:02:02,004 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:02:02,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:02:02,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:02,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:02:02,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:02:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:02:02,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:02:02,026 INFO L82 PathProgramCache]: Analyzing trace with hash 54650730, now seen corresponding path program 1 times [2018-11-29 00:02:02,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:02:02,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:02:02,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:02,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:02:02,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:02:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:02:02,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:02:02,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1564606345, now seen corresponding path program 1 times [2018-11-29 00:02:02,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:02:02,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:02:02,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:02,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:02:02,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:02:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:02:02,368 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:02:02,368 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:02:02,368 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:02:02,368 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:02:02,368 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-29 00:02:02,369 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:02,369 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:02:02,369 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:02:02,369 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-29 00:02:02,369 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:02:02,370 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:02:02,372 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 00:02:02,378 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 00:02:02,384 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 00:02:02,388 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 00:02:02,390 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 00:02:02,538 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:02:02,539 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:02,542 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:02,543 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:02,547 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:02,547 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:02,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:02,571 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:02,600 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:02:02,601 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:02,741 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:02,741 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-8, addition_~m=-8} Honda state: {addition_#in~m=-8, addition_~m=-8} Generalized eigenvectors: [{addition_#in~m=7, addition_~m=-1}, {addition_#in~m=-8, addition_~m=0}, {addition_#in~m=0, addition_~m=0}] Lambdas: [1, 0, 15] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:02,763 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:02,763 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:02,783 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:02,783 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:02,808 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:02,808 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:02,811 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:02,811 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:02,832 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:02,832 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:02,858 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:02:02,858 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:14,174 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-29 00:02:14,177 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:02:14,177 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:02:14,177 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:02:14,177 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:02:14,178 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-29 00:02:14,178 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:14,178 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:02:14,178 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:02:14,178 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-29 00:02:14,178 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:02:14,178 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:02:14,180 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 00:02:14,188 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 00:02:14,194 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 00:02:14,212 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 00:02:14,223 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 00:02:14,399 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:02:14,399 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-29 00:02:14,400 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 00:02:14,401 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:14,401 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:14,401 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:14,402 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:14,402 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:14,402 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:14,402 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:14,404 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:14,405 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 00:02:14,405 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:14,405 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:14,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:14,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:14,406 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:14,406 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:14,406 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:14,408 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:14,408 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 00:02:14,409 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:14,409 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:14,409 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:14,409 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:14,409 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:14,410 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:14,410 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:14,416 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:14,416 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 00:02:14,417 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:14,417 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:14,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:14,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:14,418 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:14,418 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:14,419 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:14,420 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:14,420 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 00:02:14,421 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:14,421 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:14,421 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:14,421 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:14,421 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:14,422 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:14,422 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:14,428 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-29 00:02:14,434 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-29 00:02:14,434 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-29 00:02:14,435 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-29 00:02:14,435 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-29 00:02:14,435 INFO L518 LassoAnalysis]: Proved termination. [2018-11-29 00:02:14,435 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2018-11-29 00:02:14,435 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-29 00:02:14,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:02:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:02:14,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:02:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:02:14,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:02:14,560 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 00:02:14,560 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-29 00:02:14,561 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand 5 states. [2018-11-29 00:02:14,672 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 29 states and 34 transitions. Complement of second has 13 states. [2018-11-29 00:02:14,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-29 00:02:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-29 00:02:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2018-11-29 00:02:14,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 5 letters. [2018-11-29 00:02:14,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:02:14,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 5 letters. [2018-11-29 00:02:14,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:02:14,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 10 letters. [2018-11-29 00:02:14,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:02:14,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2018-11-29 00:02:14,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-29 00:02:14,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2018-11-29 00:02:14,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2018-11-29 00:02:14,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2018-11-29 00:02:14,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2018-11-29 00:02:14,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-29 00:02:14,683 INFO L705 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2018-11-29 00:02:14,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2018-11-29 00:02:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2018-11-29 00:02:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-29 00:02:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2018-11-29 00:02:14,687 INFO L728 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2018-11-29 00:02:14,687 INFO L608 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2018-11-29 00:02:14,688 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-29 00:02:14,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2018-11-29 00:02:14,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-29 00:02:14,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:02:14,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:02:14,689 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2018-11-29 00:02:14,690 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-29 00:02:14,691 INFO L794 eck$LassoCheckResult]: Stem: 236#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 234#L29 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 239#additionENTRY ~m := #in~m;~n := #in~n; 246#L14 assume !(0 == ~n); 249#L17 assume !(~n > 0); 232#L20 assume ~n < 0; 227#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 226#additionENTRY ~m := #in~m;~n := #in~n; 228#L14 assume !(0 == ~n); 237#L17 assume ~n > 0; 240#L18 [2018-11-29 00:02:14,691 INFO L796 eck$LassoCheckResult]: Loop: 240#L18 call #t~ret0 := addition(1 + ~m, ~n - 1);< 241#additionENTRY ~m := #in~m;~n := #in~n; 250#L14 assume !(0 == ~n); 247#L17 assume ~n > 0; 240#L18 [2018-11-29 00:02:14,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:02:14,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1564606348, now seen corresponding path program 1 times [2018-11-29 00:02:14,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:02:14,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:02:14,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:14,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:02:14,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:02:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:02:14,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-29 00:02:14,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-29 00:02:14,790 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-29 00:02:14,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:02:14,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1950448, now seen corresponding path program 2 times [2018-11-29 00:02:14,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:02:14,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:02:14,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:14,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:02:14,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:02:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:02:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:02:14,908 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:02:14,908 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:02:14,908 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:02:14,908 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:02:14,909 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-29 00:02:14,909 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:14,909 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:02:14,909 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:02:14,909 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration3_Loop [2018-11-29 00:02:14,910 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:02:14,910 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:02:14,911 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 00:02:14,925 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 00:02:14,927 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 00:02:14,930 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 00:02:14,933 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 00:02:15,030 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:02:15,031 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:15,035 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:15,035 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:15,060 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:02:15,061 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:15,233 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:15,233 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-6, addition_~m=-6} Honda state: {addition_#in~m=-6, addition_~m=-6} Generalized eigenvectors: [{addition_#in~m=7, addition_~m=2}, {addition_#in~m=-5, addition_~m=0}, {addition_#in~m=-1, addition_~m=-1}] Lambdas: [1, 0, 1] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:15,255 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:15,255 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:15,258 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:15,258 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:15,279 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:15,279 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:15,283 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:15,283 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:15,305 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:15,305 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:15,308 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:02:15,308 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:15,330 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:02:15,330 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:15,359 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:02:15,359 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:02:16,324 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-29 00:02:16,326 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:02:16,327 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:02:16,327 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:02:16,327 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:02:16,327 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-29 00:02:16,327 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:02:16,328 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:02:16,328 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:02:16,328 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration3_Loop [2018-11-29 00:02:16,328 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:02:16,328 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:02:16,329 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 00:02:16,340 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 00:02:16,342 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 00:02:16,345 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 00:02:16,355 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 00:02:16,414 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:02:16,415 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-29 00:02:16,415 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 00:02:16,416 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:16,416 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:16,417 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:16,417 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:16,417 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:16,420 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:16,420 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:16,426 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:16,426 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 00:02:16,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:16,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:16,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:16,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:16,427 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:16,428 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:16,428 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:16,432 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:16,432 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 00:02:16,433 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:16,433 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:16,433 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:16,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:16,433 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:16,436 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:16,437 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:16,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:02:16,438 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 00:02:16,441 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:02:16,441 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:02:16,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:02:16,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:02:16,442 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:02:16,443 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:02:16,443 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:02:16,450 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-29 00:02:16,460 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-29 00:02:16,461 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-29 00:02:16,462 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-29 00:02:16,462 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-29 00:02:16,462 INFO L518 LassoAnalysis]: Proved termination. [2018-11-29 00:02:16,462 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2018-11-29 00:02:16,463 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-29 00:02:16,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:02:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:02:16,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:02:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:02:16,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:02:16,577 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 00:02:16,578 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-29 00:02:16,578 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8 Second operand 4 states. [2018-11-29 00:02:16,645 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 62 states and 72 transitions. Complement of second has 9 states. [2018-11-29 00:02:16,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-29 00:02:16,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-29 00:02:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2018-11-29 00:02:16,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2018-11-29 00:02:16,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:02:16,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 4 letters. [2018-11-29 00:02:16,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:02:16,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 8 letters. [2018-11-29 00:02:16,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:02:16,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 72 transitions. [2018-11-29 00:02:16,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-29 00:02:16,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 53 states and 63 transitions. [2018-11-29 00:02:16,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2018-11-29 00:02:16,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2018-11-29 00:02:16,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 63 transitions. [2018-11-29 00:02:16,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-29 00:02:16,662 INFO L705 BuchiCegarLoop]: Abstraction has 53 states and 63 transitions. [2018-11-29 00:02:16,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 63 transitions. [2018-11-29 00:02:16,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2018-11-29 00:02:16,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-29 00:02:16,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2018-11-29 00:02:16,668 INFO L728 BuchiCegarLoop]: Abstraction has 46 states and 55 transitions. [2018-11-29 00:02:16,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-29 00:02:16,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-29 00:02:16,673 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 5 states. [2018-11-29 00:02:16,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-29 00:02:16,737 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2018-11-29 00:02:16,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-29 00:02:16,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 40 transitions. [2018-11-29 00:02:16,741 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:02:16,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2018-11-29 00:02:16,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-29 00:02:16,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-29 00:02:16,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-29 00:02:16,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:02:16,742 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:02:16,743 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:02:16,743 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:02:16,743 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-29 00:02:16,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-29 00:02:16,743 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:02:16,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-29 00:02:16,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:02:16 BoogieIcfgContainer [2018-11-29 00:02:16,754 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-29 00:02:16,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-29 00:02:16,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-29 00:02:16,755 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-29 00:02:16,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:01:59" (3/4) ... [2018-11-29 00:02:16,761 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-29 00:02:16,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-29 00:02:16,762 INFO L168 Benchmark]: Toolchain (without parser) took 17987.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 951.4 MB in the beginning and 782.8 MB in the end (delta: 168.6 MB). Peak memory consumption was 282.3 MB. Max. memory is 11.5 GB. [2018-11-29 00:02:16,764 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 00:02:16,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-29 00:02:16,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.76 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 00:02:16,766 INFO L168 Benchmark]: Boogie Preprocessor took 22.91 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 00:02:16,768 INFO L168 Benchmark]: RCFGBuilder took 371.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-29 00:02:16,769 INFO L168 Benchmark]: BuchiAutomizer took 17227.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 782.8 MB in the end (delta: 308.0 MB). Peak memory consumption was 308.0 MB. Max. memory is 11.5 GB. [2018-11-29 00:02:16,770 INFO L168 Benchmark]: Witness Printer took 7.21 ms. Allocated memory is still 1.1 GB. Free memory is still 782.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:02:16,775 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 313.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.76 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 22.91 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 371.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 17227.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 782.8 MB in the end (delta: 308.0 MB). Peak memory consumption was 308.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.21 ms. Allocated memory is still 1.1 GB. Free memory is still 782.8 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. One deterministic module has affine ranking function n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.1s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 15.6s. Construction of modules took 0.3s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 33 SDtfs, 52 SDslu, 10 SDs, 0 SdLazy, 79 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf92 smp91 dnf100 smp100 tf110 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 12.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...