./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 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/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 0.1.24-2e94e6a [2019-01-01 23:53:33,415 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:53:33,417 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:53:33,432 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:53:33,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:53:33,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:53:33,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:53:33,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:53:33,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:53:33,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:53:33,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:53:33,440 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:53:33,441 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:53:33,442 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:53:33,443 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:53:33,444 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:53:33,445 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:53:33,447 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:53:33,449 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:53:33,450 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:53:33,451 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:53:33,453 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:53:33,455 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:53:33,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:53:33,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:53:33,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:53:33,458 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:53:33,459 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:53:33,460 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:53:33,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:53:33,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:53:33,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:53:33,463 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:53:33,463 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:53:33,464 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:53:33,465 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:53:33,465 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:53:33,495 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:53:33,496 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:53:33,497 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:53:33,497 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:53:33,497 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:53:33,498 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:53:33,498 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:53:33,498 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:53:33,498 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:53:33,498 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:53:33,498 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:53:33,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:53:33,500 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:53:33,500 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:53:33,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:53:33,500 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:53:33,501 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:53:33,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:53:33,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:53:33,502 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:53:33,502 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:53:33,502 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:53:33,502 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:53:33,502 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:53:33,502 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:53:33,503 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:53:33,503 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:53:33,503 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:53:33,503 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:53:33,503 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:53:33,505 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:53:33,506 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:53:33,506 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 [2019-01-01 23:53:33,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:53:33,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:53:33,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:53:33,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:53:33,569 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:53:33,570 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c [2019-01-01 23:53:33,643 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83fce875c/e6d7d5b672fa4343be53b5bf58eec9a9/FLAGf50941444 [2019-01-01 23:53:34,150 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:53:34,150 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c [2019-01-01 23:53:34,158 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83fce875c/e6d7d5b672fa4343be53b5bf58eec9a9/FLAGf50941444 [2019-01-01 23:53:34,497 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83fce875c/e6d7d5b672fa4343be53b5bf58eec9a9 [2019-01-01 23:53:34,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:53:34,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:53:34,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:53:34,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:53:34,509 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:53:34,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373596ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34, skipping insertion in model container [2019-01-01 23:53:34,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:53:34,541 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:53:34,719 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:53:34,725 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:53:34,749 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:53:34,767 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:53:34,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34 WrapperNode [2019-01-01 23:53:34,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:53:34,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:53:34,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:53:34,769 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:53:34,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:53:34,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:53:34,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:53:34,814 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:53:34,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... [2019-01-01 23:53:34,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:53:34,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:53:34,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:53:34,839 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:53:34,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:53:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:53:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2019-01-01 23:53:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2019-01-01 23:53:35,194 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:53:35,195 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-01 23:53:35,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:53:35 BoogieIcfgContainer [2019-01-01 23:53:35,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:53:35,196 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:53:35,196 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:53:35,200 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:53:35,201 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:53:35,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:53:34" (1/3) ... [2019-01-01 23:53:35,202 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@314298f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:53:35, skipping insertion in model container [2019-01-01 23:53:35,202 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:53:35,202 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:34" (2/3) ... [2019-01-01 23:53:35,203 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@314298f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:53:35, skipping insertion in model container [2019-01-01 23:53:35,203 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:53:35,203 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:53:35" (3/3) ... [2019-01-01 23:53:35,205 INFO L375 chiAutomizerObserver]: Analyzing ICFG Addition03_true-unreach-call_true-no-overflow_true-termination.c [2019-01-01 23:53:35,276 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:53:35,277 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:53:35,277 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:53:35,277 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:53:35,277 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:53:35,277 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:53:35,278 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:53:35,278 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:53:35,278 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:53:35,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-01-01 23:53:35,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-01 23:53:35,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:53:35,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:53:35,347 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 23:53:35,347 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-01-01 23:53:35,347 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:53:35,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-01-01 23:53:35,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-01 23:53:35,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:53:35,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:53:35,351 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 23:53:35,351 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-01-01 23:53:35,362 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 8#L29true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 13#additionENTRYtrue [2019-01-01 23:53:35,362 INFO L796 eck$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 [2019-01-01 23:53:35,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:35,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1024, now seen corresponding path program 1 times [2019-01-01 23:53:35,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:35,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:35,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:35,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:35,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:35,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:35,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1358578, now seen corresponding path program 1 times [2019-01-01 23:53:35,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:35,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:35,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:35,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:35,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:35,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:35,501 INFO L82 PathProgramCache]: Analyzing trace with hash 946120561, now seen corresponding path program 1 times [2019-01-01 23:53:35,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:35,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:35,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:35,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:35,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:35,733 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:53:35,735 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:53:35,735 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:53:35,735 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:53:35,735 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:53:35,736 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:35,736 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:53:35,737 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:53:35,737 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2019-01-01 23:53:35,737 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:53:35,737 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:53:35,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:35,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:35,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:35,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:35,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:35,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:35,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:36,164 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:53:36,165 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) [2019-01-01 23:53:36,179 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:36,179 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:36,200 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:36,200 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:36,225 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:36,226 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:36,229 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:36,229 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 [2019-01-01 23:53:36,252 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:36,252 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:36,257 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:36,257 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 [2019-01-01 23:53:36,279 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:36,279 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 [2019-01-01 23:53:36,315 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:53:36,316 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:36,331 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:36,331 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 [2019-01-01 23:53:36,356 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:36,356 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:36,361 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:36,361 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 [2019-01-01 23:53:36,382 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:36,383 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 [2019-01-01 23:53:36,408 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:53:36,408 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:36,434 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:53:36,437 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:53:36,437 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:53:36,437 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:53:36,438 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:53:36,438 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:53:36,438 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:36,438 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:53:36,438 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:53:36,438 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2019-01-01 23:53:36,440 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:53:36,440 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:53:36,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:36,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:36,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:36,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:36,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:36,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:36,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:36,687 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:53:36,694 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:53:36,696 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 [2019-01-01 23:53:36,697 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:36,698 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:36,698 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:36,700 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:36,700 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:36,703 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:36,703 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:36,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:36,709 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 [2019-01-01 23:53:36,710 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:36,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:36,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:36,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:36,711 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:36,712 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:36,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:36,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:36,715 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 [2019-01-01 23:53:36,716 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:36,716 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:36,716 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:36,718 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:36,718 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:36,719 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:36,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:36,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:36,722 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 [2019-01-01 23:53:36,723 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:36,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:36,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:36,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:36,724 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:36,724 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:36,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:36,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:36,734 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 [2019-01-01 23:53:36,734 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:36,735 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:36,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:36,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:36,735 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:36,736 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:36,736 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:36,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:36,740 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 [2019-01-01 23:53:36,742 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:36,742 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:36,743 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:36,743 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:36,743 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:36,744 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:36,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:36,747 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:36,748 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 [2019-01-01 23:53:36,748 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:36,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:36,750 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:36,750 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:36,750 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:36,751 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:36,752 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:36,759 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:53:36,764 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:53:36,764 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 23:53:36,767 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:53:36,767 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:53:36,767 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:53:36,768 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2019-01-01 23:53:36,770 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:53:37,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:53:37,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:53:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:53:37,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:53:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:53:37,437 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 [2019-01-01 23:53:37,438 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 4 states. [2019-01-01 23:53:37,879 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. [2019-01-01 23:53:37,880 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 [2019-01-01 23:53:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:53:37,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-01-01 23:53:37,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2019-01-01 23:53:37,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:37,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2019-01-01 23:53:37,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:37,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 8 letters. [2019-01-01 23:53:37,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:37,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 66 transitions. [2019-01-01 23:53:37,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-01 23:53:37,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 24 states and 27 transitions. [2019-01-01 23:53:37,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-01-01 23:53:37,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-01-01 23:53:37,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2019-01-01 23:53:37,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:53:37,907 INFO L705 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-01-01 23:53:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2019-01-01 23:53:37,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 15. [2019-01-01 23:53:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-01 23:53:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-01-01 23:53:37,945 INFO L728 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-01-01 23:53:37,946 INFO L608 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-01-01 23:53:37,946 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:53:37,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2019-01-01 23:53:37,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-01 23:53:37,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:53:37,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:53:37,948 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-01-01 23:53:37,948 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-01 23:53:37,948 INFO L794 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 123#L29 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 124#additionENTRY ~m := #in~m;~n := #in~n; 126#L14 assume !(0 == ~n); 130#L17 assume !(~n > 0); 119#L20 [2019-01-01 23:53:37,950 INFO L796 eck$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 [2019-01-01 23:53:37,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:37,950 INFO L82 PathProgramCache]: Analyzing trace with hash 30520020, now seen corresponding path program 1 times [2019-01-01 23:53:37,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:37,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:37,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:37,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:37,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:37,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:37,964 INFO L82 PathProgramCache]: Analyzing trace with hash 54650730, now seen corresponding path program 1 times [2019-01-01 23:53:37,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:37,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:37,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:37,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:37,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:37,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:37,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1564606345, now seen corresponding path program 1 times [2019-01-01 23:53:37,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:37,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:37,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:37,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:37,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:38,110 WARN L181 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-01 23:53:38,328 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:53:38,329 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:53:38,329 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:53:38,329 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:53:38,329 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:53:38,330 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:38,330 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:53:38,330 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:53:38,330 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2019-01-01 23:53:38,330 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:53:38,331 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:53:38,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:38,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:38,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:38,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:38,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:38,492 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:53:38,493 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 [2019-01-01 23:53:38,498 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:38,498 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:38,506 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:38,506 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 [2019-01-01 23:53:38,527 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:38,527 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 [2019-01-01 23:53:38,557 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:53:38,557 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:38,677 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:38,677 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 [2019-01-01 23:53:38,702 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:38,702 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:38,722 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:38,722 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 [2019-01-01 23:53:38,745 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:38,745 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:38,748 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:38,748 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 [2019-01-01 23:53:38,769 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:38,769 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 [2019-01-01 23:53:38,796 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:53:38,796 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:49,646 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:53:49,649 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:53:49,649 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:53:49,649 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:53:49,649 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:53:49,649 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:53:49,650 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:49,650 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:53:49,650 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:53:49,650 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2019-01-01 23:53:49,650 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:53:49,650 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:53:49,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:49,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:49,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:49,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:49,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:49,874 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:53:49,874 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:53:49,875 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 [2019-01-01 23:53:49,876 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:49,876 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:49,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:49,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:49,876 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:49,877 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:49,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:49,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:49,880 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 [2019-01-01 23:53:49,880 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:49,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:49,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:49,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:49,881 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:49,881 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:49,882 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:49,883 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:49,884 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 [2019-01-01 23:53:49,886 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:49,886 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:49,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:49,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:49,888 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:49,889 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:49,889 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:49,895 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:49,895 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 [2019-01-01 23:53:49,896 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:49,896 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:49,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:49,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:49,897 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:49,897 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:49,898 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:49,899 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:49,899 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 [2019-01-01 23:53:49,900 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:49,900 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:49,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:49,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:49,900 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:49,901 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:49,901 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:49,907 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:53:49,914 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:53:49,914 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 23:53:49,915 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:53:49,915 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:53:49,915 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:53:49,915 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2019-01-01 23:53:49,916 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:53:49,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:53:49,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:53:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:53:50,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:53:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:53:50,053 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 [2019-01-01 23:53:50,053 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-01-01 23:53:50,165 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. [2019-01-01 23:53:50,167 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 [2019-01-01 23:53:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-01 23:53:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2019-01-01 23:53:50,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 5 letters. [2019-01-01 23:53:50,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:50,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 5 letters. [2019-01-01 23:53:50,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:50,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 10 letters. [2019-01-01 23:53:50,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:50,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-01-01 23:53:50,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-01 23:53:50,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2019-01-01 23:53:50,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-01-01 23:53:50,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-01-01 23:53:50,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2019-01-01 23:53:50,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:53:50,175 INFO L705 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2019-01-01 23:53:50,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2019-01-01 23:53:50,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2019-01-01 23:53:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-01 23:53:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-01-01 23:53:50,179 INFO L728 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-01-01 23:53:50,179 INFO L608 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-01-01 23:53:50,179 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:53:50,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2019-01-01 23:53:50,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-01 23:53:50,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:53:50,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:53:50,181 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-01-01 23:53:50,182 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-01-01 23:53:50,182 INFO L794 eck$LassoCheckResult]: Stem: 236#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 234#L29 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 239#additionENTRY ~m := #in~m;~n := #in~n; 246#L14 assume !(0 == ~n); 249#L17 assume !(~n > 0); 232#L20 assume ~n < 0; 227#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 226#additionENTRY ~m := #in~m;~n := #in~n; 228#L14 assume !(0 == ~n); 237#L17 assume ~n > 0; 240#L18 [2019-01-01 23:53:50,182 INFO L796 eck$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 [2019-01-01 23:53:50,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:50,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1564606348, now seen corresponding path program 1 times [2019-01-01 23:53:50,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:50,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:50,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:50,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:50,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:53:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:53:50,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:53:50,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 23:53:50,265 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:53:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:50,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1950448, now seen corresponding path program 2 times [2019-01-01 23:53:50,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:50,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:50,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:50,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:50,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:50,375 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:53:50,375 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:53:50,376 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:53:50,376 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:53:50,376 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:53:50,376 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:50,377 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:53:50,377 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:53:50,377 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration3_Loop [2019-01-01 23:53:50,377 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:53:50,377 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:53:50,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:50,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:50,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:50,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:50,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:50,488 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:53:50,489 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 [2019-01-01 23:53:50,492 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:50,493 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 [2019-01-01 23:53:50,517 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:53:50,517 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:50,681 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:50,682 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 [2019-01-01 23:53:50,703 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:50,703 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:50,706 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:50,706 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 [2019-01-01 23:53:50,727 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:50,728 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:50,731 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:50,731 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 [2019-01-01 23:53:50,753 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:50,753 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:50,755 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:50,756 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 [2019-01-01 23:53:50,777 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:50,777 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 [2019-01-01 23:53:50,801 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:53:50,801 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:51,754 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:53:51,757 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:53:51,757 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:53:51,757 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:53:51,757 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:53:51,757 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:53:51,757 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:51,758 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:53:51,758 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:53:51,758 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration3_Loop [2019-01-01 23:53:51,758 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:53:51,758 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:53:51,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:51,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:51,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:51,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:51,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:51,841 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:53:51,842 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:53:51,843 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 [2019-01-01 23:53:51,844 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:51,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:51,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:51,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:51,846 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:51,846 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:51,848 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:51,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:51,853 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 [2019-01-01 23:53:51,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:51,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:51,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:51,856 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:51,856 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:51,856 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:51,856 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:51,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:51,859 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 [2019-01-01 23:53:51,859 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:51,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:51,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:51,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:51,860 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:51,863 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:51,863 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:51,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:51,865 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 [2019-01-01 23:53:51,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:51,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:51,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:51,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:51,868 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:51,869 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:51,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:51,878 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:53:51,883 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:53:51,884 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 23:53:51,884 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:53:51,884 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:53:51,884 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:53:51,885 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2019-01-01 23:53:51,885 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:53:51,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:53:51,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:53:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:53:51,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:53:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:53:51,979 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 [2019-01-01 23:53:51,979 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 30 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-01-01 23:53:52,085 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. [2019-01-01 23:53:52,087 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 [2019-01-01 23:53:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:53:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-01-01 23:53:52,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2019-01-01 23:53:52,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:52,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 4 letters. [2019-01-01 23:53:52,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:52,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 8 letters. [2019-01-01 23:53:52,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:52,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 72 transitions. [2019-01-01 23:53:52,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-01 23:53:52,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 53 states and 63 transitions. [2019-01-01 23:53:52,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-01-01 23:53:52,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2019-01-01 23:53:52,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 63 transitions. [2019-01-01 23:53:52,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:53:52,099 INFO L705 BuchiCegarLoop]: Abstraction has 53 states and 63 transitions. [2019-01-01 23:53:52,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 63 transitions. [2019-01-01 23:53:52,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2019-01-01 23:53:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-01 23:53:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2019-01-01 23:53:52,107 INFO L728 BuchiCegarLoop]: Abstraction has 46 states and 55 transitions. [2019-01-01 23:53:52,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 23:53:52,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-01 23:53:52,113 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 5 states. [2019-01-01 23:53:52,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:53:52,174 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2019-01-01 23:53:52,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 23:53:52,175 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 40 transitions. [2019-01-01 23:53:52,177 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:53:52,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2019-01-01 23:53:52,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:53:52,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:53:52,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:53:52,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:53:52,178 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:53:52,178 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:53:52,178 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:53:52,178 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2019-01-01 23:53:52,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:53:52,178 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:53:52,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:53:52,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:53:52 BoogieIcfgContainer [2019-01-01 23:53:52,189 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:53:52,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:53:52,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:53:52,191 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:53:52,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:53:35" (3/4) ... [2019-01-01 23:53:52,197 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:53:52,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:53:52,198 INFO L168 Benchmark]: Toolchain (without parser) took 17695.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -214.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:52,199 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:52,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.90 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 939.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:53:52,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.24 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:52,201 INFO L168 Benchmark]: Boogie Preprocessor took 24.36 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:52,203 INFO L168 Benchmark]: RCFGBuilder took 357.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:53:52,204 INFO L168 Benchmark]: BuchiAutomizer took 16993.12 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -81.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:52,205 INFO L168 Benchmark]: Witness Printer took 6.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:52,211 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.90 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 939.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.24 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.36 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 357.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 16993.12 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -81.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. 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 16.9s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 15.1s. Construction of modules took 0.4s. Büchi inclusion checks took 1.1s. 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, 0.4s 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: 13ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 12.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...