./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/recursive/Addition01_true-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/recursive/Addition01_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 91d2600fad1210650d8ad3da481cdcc11b280095 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:32:51,179 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:32:51,181 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:32:51,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:32:51,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:32:51,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:32:51,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:32:51,208 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:32:51,211 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:32:51,212 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:32:51,213 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:32:51,213 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:32:51,214 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:32:51,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:32:51,216 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:32:51,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:32:51,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:32:51,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:32:51,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:32:51,227 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:32:51,228 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:32:51,232 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:32:51,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:32:51,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:32:51,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:32:51,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:32:51,239 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:32:51,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:32:51,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:32:51,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:32:51,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:32:51,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:32:51,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:32:51,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:32:51,248 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:32:51,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:32:51,249 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:32:51,274 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:32:51,275 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:32:51,279 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:32:51,281 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:32:51,281 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:32:51,281 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:32:51,281 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:32:51,281 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:32:51,282 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:32:51,283 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:32:51,283 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:32:51,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:32:51,284 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:32:51,284 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:32:51,284 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:32:51,284 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:32:51,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:32:51,284 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:32:51,285 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:32:51,285 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:32:51,285 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:32:51,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:32:51,285 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:32:51,285 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:32:51,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:32:51,286 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:32:51,286 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:32:51,286 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:32:51,286 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:32:51,286 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:32:51,287 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:32:51,288 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:32:51,288 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 -> 91d2600fad1210650d8ad3da481cdcc11b280095 [2019-01-14 04:32:51,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:32:51,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:32:51,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:32:51,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:32:51,366 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:32:51,367 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive/Addition01_true-unreach-call_true-no-overflow_true-termination.c [2019-01-14 04:32:51,424 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b5de81f/580000b2ce8645219255666fcf78af13/FLAG31bdee64b [2019-01-14 04:32:51,838 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:32:51,839 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive/Addition01_true-unreach-call_true-no-overflow_true-termination.c [2019-01-14 04:32:51,847 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b5de81f/580000b2ce8645219255666fcf78af13/FLAG31bdee64b [2019-01-14 04:32:52,205 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b5de81f/580000b2ce8645219255666fcf78af13 [2019-01-14 04:32:52,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:32:52,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:32:52,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:32:52,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:32:52,217 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:32:52,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8cb670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52, skipping insertion in model container [2019-01-14 04:32:52,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:32:52,253 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:32:52,476 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:32:52,481 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:32:52,499 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:32:52,514 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:32:52,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52 WrapperNode [2019-01-14 04:32:52,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:32:52,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:32:52,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:32:52,516 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:32:52,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:32:52,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:32:52,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:32:52,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:32:52,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... [2019-01-14 04:32:52,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:32:52,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:32:52,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:32:52,574 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:32:52,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:32:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:32:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:32:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2019-01-14 04:32:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2019-01-14 04:32:53,098 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:32:53,098 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-14 04:32:53,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:32:53 BoogieIcfgContainer [2019-01-14 04:32:53,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:32:53,101 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:32:53,101 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:32:53,105 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:32:53,106 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:32:53,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:32:52" (1/3) ... [2019-01-14 04:32:53,108 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385f34cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:32:53, skipping insertion in model container [2019-01-14 04:32:53,108 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:32:53,108 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:32:52" (2/3) ... [2019-01-14 04:32:53,108 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385f34cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:32:53, skipping insertion in model container [2019-01-14 04:32:53,108 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:32:53,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:32:53" (3/3) ... [2019-01-14 04:32:53,111 INFO L375 chiAutomizerObserver]: Analyzing ICFG Addition01_true-unreach-call_true-no-overflow_true-termination.c [2019-01-14 04:32:53,165 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:32:53,166 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:32:53,167 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:32:53,167 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:32:53,167 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:32:53,167 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:32:53,167 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:32:53,167 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:32:53,168 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:32:53,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-01-14 04:32:53,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-14 04:32:53,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:32:53,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:32:53,224 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-01-14 04:32:53,224 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-01-14 04:32:53,224 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:32:53,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-01-14 04:32:53,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-14 04:32:53,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:32:53,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:32:53,228 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-01-14 04:32:53,229 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-01-14 04:32:53,237 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L28true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 19#L34true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 9#L39true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 14#additionENTRYtrue [2019-01-14 04:32:53,238 INFO L796 eck$LassoCheckResult]: Loop: 14#additionENTRYtrue ~m := #in~m;~n := #in~n; 17#L14true assume !(0 == ~n); 12#L17true assume ~n > 0; 11#L18true call #t~ret0 := addition(1 + ~m, ~n - 1);< 14#additionENTRYtrue [2019-01-14 04:32:53,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:32:53,245 INFO L82 PathProgramCache]: Analyzing trace with hash 959461, now seen corresponding path program 1 times [2019-01-14 04:32:53,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:32:53,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:32:53,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:53,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:32:53,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:32:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:32:53,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:32:53,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1666418, now seen corresponding path program 1 times [2019-01-14 04:32:53,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:32:53,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:32:53,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:53,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:32:53,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:32:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:32:53,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:32:53,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1319862102, now seen corresponding path program 1 times [2019-01-14 04:32:53,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:32:53,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:32:53,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:53,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:32:53,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:32:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:32:53,539 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2019-01-14 04:32:53,656 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:32:53,657 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:32:53,658 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:32:53,658 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:32:53,658 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:32:53,658 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:32:53,658 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:32:53,659 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:32:53,659 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition01_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2019-01-14 04:32:53,659 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:32:53,659 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:32:53,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:53,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:53,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:53,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:53,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:53,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:53,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:53,973 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:32:54,047 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:32:54,047 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:32:54,055 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:54,055 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:54,065 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:32:54,065 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 [2019-01-14 04:32:54,093 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:54,093 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:54,097 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:32:54,098 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 [2019-01-14 04:32:54,118 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:54,119 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:54,138 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:32:54,139 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 [2019-01-14 04:32:54,161 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:54,161 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 [2019-01-14 04:32:54,185 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:32:54,185 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:54,210 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:32:54,210 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 [2019-01-14 04:32:54,236 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:54,236 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:54,248 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:32:54,249 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 [2019-01-14 04:32:54,270 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:54,270 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 [2019-01-14 04:32:54,292 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:32:54,292 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:54,315 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:32:54,317 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:32:54,317 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:32:54,317 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:32:54,318 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:32:54,318 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:32:54,318 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:32:54,318 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:32:54,319 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:32:54,319 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition01_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2019-01-14 04:32:54,319 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:32:54,319 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:32:54,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:54,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:54,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:54,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:54,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:54,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:54,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:54,705 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:32:54,707 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:32:54,712 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:32:54,714 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 [2019-01-14 04:32:54,716 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:32:54,716 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:32:54,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:32:54,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:32:54,717 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:32:54,719 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:32:54,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:32:54,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:32:54,724 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 [2019-01-14 04:32:54,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:32:54,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:32:54,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:32:54,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:32:54,726 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:32:54,726 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:32:54,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:32:54,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:32:54,729 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 [2019-01-14 04:32:54,729 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:32:54,730 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:32:54,730 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:32:54,730 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:32:54,730 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:32:54,731 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:32:54,731 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:32:54,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:32:54,733 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 [2019-01-14 04:32:54,734 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:32:54,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:32:54,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:32:54,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:32:54,734 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:32:54,735 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:32:54,735 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:32:54,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:32:54,741 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 [2019-01-14 04:32:54,742 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:32:54,742 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:32:54,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:32:54,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:32:54,742 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:32:54,743 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:32:54,743 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:32:54,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:32:54,750 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 [2019-01-14 04:32:54,751 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:32:54,751 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:32:54,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:32:54,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:32:54,752 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:32:54,756 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:32:54,756 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:32:54,761 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:32:54,762 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 [2019-01-14 04:32:54,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:32:54,766 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:32:54,766 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:32:54,766 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:32:54,766 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:32:54,767 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:32:54,767 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:32:54,781 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:32:54,793 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:32:54,793 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 04:32:54,799 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:32:54,799 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 04:32:54,800 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:32:54,801 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2019-01-14 04:32:54,805 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 04:32:54,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:32:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:32:55,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:32:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:32:55,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:32:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:32:55,103 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 [2019-01-14 04:32:55,104 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 4 states. [2019-01-14 04:32:55,594 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 4 states. Result 53 states and 72 transitions. Complement of second has 12 states. [2019-01-14 04:32:55,597 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 [2019-01-14 04:32:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 04:32:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-01-14 04:32:55,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2019-01-14 04:32:55,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:32:55,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 8 letters. Loop has 4 letters. [2019-01-14 04:32:55,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:32:55,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 8 letters. [2019-01-14 04:32:55,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:32:55,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 72 transitions. [2019-01-14 04:32:55,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-14 04:32:55,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 26 states and 29 transitions. [2019-01-14 04:32:55,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-01-14 04:32:55,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-01-14 04:32:55,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2019-01-14 04:32:55,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 04:32:55,625 INFO L706 BuchiCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-01-14 04:32:55,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2019-01-14 04:32:55,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 17. [2019-01-14 04:32:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-14 04:32:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-01-14 04:32:55,650 INFO L729 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-01-14 04:32:55,650 INFO L609 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-01-14 04:32:55,650 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:32:55,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-01-14 04:32:55,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-14 04:32:55,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:32:55,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:32:55,652 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:32:55,653 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-14 04:32:55,653 INFO L794 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 143#L28 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 146#L34 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 136#L39 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 137#additionENTRY ~m := #in~m;~n := #in~n; 139#L14 assume !(0 == ~n); 144#L17 assume !(~n > 0); 132#L20 [2019-01-14 04:32:55,653 INFO L796 eck$LassoCheckResult]: Loop: 132#L20 assume ~n < 0; 134#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 141#additionENTRY ~m := #in~m;~n := #in~n; 148#L14 assume !(0 == ~n); 147#L17 assume !(~n > 0); 132#L20 [2019-01-14 04:32:55,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:32:55,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1481444455, now seen corresponding path program 1 times [2019-01-14 04:32:55,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:32:55,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:32:55,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:55,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:32:55,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:32:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:32:55,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:32:55,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:32:55,883 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-14 04:32:55,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:32:55,884 INFO L82 PathProgramCache]: Analyzing trace with hash 64193780, now seen corresponding path program 1 times [2019-01-14 04:32:55,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:32:55,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:32:55,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:55,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:32:55,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:32:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:32:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:32:56,023 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:32:56,023 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:32:56,023 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:32:56,023 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:32:56,024 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:32:56,024 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:32:56,024 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:32:56,024 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:32:56,024 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition01_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2019-01-14 04:32:56,024 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:32:56,024 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:32:56,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:56,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:56,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:56,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:56,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:32:56,219 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:32:56,220 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 [2019-01-14 04:32:56,226 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:56,227 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:56,230 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:32:56,230 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 [2019-01-14 04:32:56,254 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:56,254 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 [2019-01-14 04:32:56,285 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:32:56,285 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:56,413 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:32:56,413 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 [2019-01-14 04:32:56,434 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:56,434 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:56,437 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:32:56,437 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 [2019-01-14 04:32:56,459 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:56,460 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:32:56,463 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:32:56,463 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 [2019-01-14 04:32:56,484 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:32:56,484 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 [2019-01-14 04:32:56,515 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:32:56,515 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:33:06,643 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:33:06,646 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:33:06,646 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:33:06,646 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:33:06,646 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:33:06,646 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:33:06,646 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:06,647 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:33:06,647 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:33:06,647 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition01_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2019-01-14 04:33:06,647 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:33:06,647 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:33:06,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:06,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:06,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:06,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:06,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:06,810 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:33:06,810 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:33:06,811 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 [2019-01-14 04:33:06,812 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:06,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:06,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:06,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:06,814 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:06,814 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:06,815 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:06,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:06,817 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 [2019-01-14 04:33:06,818 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:06,818 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:06,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:06,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:06,820 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:06,821 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:06,821 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:06,823 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:06,823 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 [2019-01-14 04:33:06,824 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:06,824 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:06,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:06,824 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:06,825 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:06,825 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:06,825 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:06,830 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:06,831 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 [2019-01-14 04:33:06,831 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:06,832 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:06,832 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:06,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:06,832 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:06,832 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:06,833 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:06,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:06,835 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 [2019-01-14 04:33:06,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:06,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:06,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:06,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:06,836 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:06,838 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:06,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:06,845 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:33:06,852 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:33:06,852 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 04:33:06,852 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:33:06,852 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 04:33:06,853 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:33:06,853 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2019-01-14 04:33:06,853 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 04:33:06,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:33:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:33:06,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:33:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:33:06,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:33:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:33:06,979 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 [2019-01-14 04:33:06,979 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-01-14 04:33:07,072 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 31 states and 36 transitions. Complement of second has 13 states. [2019-01-14 04:33:07,073 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 [2019-01-14 04:33:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-14 04:33:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-01-14 04:33:07,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 5 letters. [2019-01-14 04:33:07,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:33:07,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2019-01-14 04:33:07,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:33:07,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 10 letters. [2019-01-14 04:33:07,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:33:07,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2019-01-14 04:33:07,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-14 04:33:07,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 35 transitions. [2019-01-14 04:33:07,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-01-14 04:33:07,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-01-14 04:33:07,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 35 transitions. [2019-01-14 04:33:07,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 04:33:07,082 INFO L706 BuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-01-14 04:33:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 35 transitions. [2019-01-14 04:33:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2019-01-14 04:33:07,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-14 04:33:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-01-14 04:33:07,087 INFO L729 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-01-14 04:33:07,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:33:07,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:33:07,090 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 6 states. [2019-01-14 04:33:07,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:33:07,161 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-14 04:33:07,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:33:07,162 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2019-01-14 04:33:07,162 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:33:07,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2019-01-14 04:33:07,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:33:07,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:33:07,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:33:07,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:33:07,163 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:33:07,163 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:33:07,164 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:33:07,164 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:33:07,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:33:07,164 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:33:07,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:33:07,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:33:07 BoogieIcfgContainer [2019-01-14 04:33:07,171 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:33:07,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:33:07,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:33:07,171 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:33:07,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:32:53" (3/4) ... [2019-01-14 04:33:07,175 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:33:07,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:33:07,177 INFO L168 Benchmark]: Toolchain (without parser) took 14966.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 952.7 MB in the beginning and 922.3 MB in the end (delta: 30.4 MB). Peak memory consumption was 207.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:07,179 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. [2019-01-14 04:33:07,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.63 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:07,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.72 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:33:07,181 INFO L168 Benchmark]: Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:33:07,181 INFO L168 Benchmark]: RCFGBuilder took 526.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 941.9 MB in the beginning and 1.2 GB in the end (delta: -209.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:07,182 INFO L168 Benchmark]: BuchiAutomizer took 14069.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 922.3 MB in the end (delta: 229.5 MB). Peak memory consumption was 229.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:07,184 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 1.2 GB. Free memory is still 922.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:33:07,188 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 302.63 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.72 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 526.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 941.9 MB in the beginning and 1.2 GB in the end (delta: -209.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14069.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 922.3 MB in the end (delta: 229.5 MB). Peak memory consumption was 229.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.84 ms. Allocated memory is still 1.2 GB. Free memory is still 922.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 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. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 12.8s. Construction of modules took 0.3s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 27 SDtfs, 44 SDslu, 10 SDs, 0 SdLazy, 58 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf93 smp87 dnf100 smp100 tf111 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 10.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...