./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/recursive/Addition02_false-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition02_false-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer --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 4f9a38be18608b9918f157c72437435dc654871f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:35:52,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:35:52,739 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:35:52,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:35:52,748 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:35:52,749 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:35:52,750 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:35:52,751 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:35:52,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:35:52,754 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:35:52,754 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:35:52,754 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:35:52,755 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:35:52,756 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:35:52,757 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:35:52,758 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:35:52,758 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:35:52,759 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:35:52,761 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:35:52,762 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:35:52,763 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:35:52,764 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:35:52,766 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:35:52,766 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:35:52,766 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:35:52,767 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:35:52,768 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:35:52,768 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:35:52,769 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:35:52,770 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:35:52,770 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:35:52,771 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:35:52,771 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:35:52,771 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:35:52,772 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:35:52,772 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:35:52,772 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:35:52,784 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:35:52,784 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:35:52,785 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:35:52,785 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:35:52,785 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:35:52,785 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:35:52,786 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:35:52,786 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:35:52,786 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:35:52,786 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:35:52,786 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:35:52,786 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:35:52,786 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:35:52,787 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:35:52,787 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:35:52,787 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:35:52,787 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:35:52,787 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:35:52,787 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:35:52,787 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:35:52,787 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:35:52,788 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:35:52,788 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:35:52,788 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:35:52,788 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:35:52,788 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:35:52,788 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:35:52,788 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:35:52,788 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:35:52,789 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:35:52,789 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:35:52,789 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:35:52,790 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer 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 -> 4f9a38be18608b9918f157c72437435dc654871f [2018-11-18 14:35:52,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:35:52,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:35:52,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:35:52,825 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:35:52,825 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:35:52,825 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/../../sv-benchmarks/c/recursive/Addition02_false-unreach-call_true-no-overflow_true-termination.c [2018-11-18 14:35:52,861 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/data/693623355/2054c5e238d449c3bb5646cb615b0d23/FLAGb9c83033d [2018-11-18 14:35:53,161 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:35:53,162 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/sv-benchmarks/c/recursive/Addition02_false-unreach-call_true-no-overflow_true-termination.c [2018-11-18 14:35:53,166 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/data/693623355/2054c5e238d449c3bb5646cb615b0d23/FLAGb9c83033d [2018-11-18 14:35:53,175 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/data/693623355/2054c5e238d449c3bb5646cb615b0d23 [2018-11-18 14:35:53,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:35:53,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:35:53,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:35:53,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:35:53,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:35:53,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44098bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53, skipping insertion in model container [2018-11-18 14:35:53,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:35:53,201 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:35:53,306 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:35:53,308 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:35:53,319 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:35:53,327 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:35:53,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53 WrapperNode [2018-11-18 14:35:53,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:35:53,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:35:53,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:35:53,328 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:35:53,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:35:53,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:35:53,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:35:53,348 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:35:53,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... [2018-11-18 14:35:53,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:35:53,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:35:53,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:35:53,359 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:35:53,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:35:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:35:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2018-11-18 14:35:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2018-11-18 14:35:53,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:35:53,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:35:53 BoogieIcfgContainer [2018-11-18 14:35:53,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:35:53,524 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:35:53,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:35:53,526 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:35:53,527 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:35:53,527 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:35:53" (1/3) ... [2018-11-18 14:35:53,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34eb5a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:35:53, skipping insertion in model container [2018-11-18 14:35:53,528 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:35:53,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:35:53" (2/3) ... [2018-11-18 14:35:53,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34eb5a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:35:53, skipping insertion in model container [2018-11-18 14:35:53,528 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:35:53,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:35:53" (3/3) ... [2018-11-18 14:35:53,530 INFO L375 chiAutomizerObserver]: Analyzing ICFG Addition02_false-unreach-call_true-no-overflow_true-termination.c [2018-11-18 14:35:53,562 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:35:53,563 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:35:53,563 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:35:53,563 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:35:53,563 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:35:53,563 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:35:53,563 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:35:53,563 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:35:53,563 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:35:53,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-18 14:35:53,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 14:35:53,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:35:53,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:35:53,593 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-18 14:35:53,594 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 14:35:53,594 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:35:53,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-18 14:35:53,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 14:35:53,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:35:53,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:35:53,596 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-18 14:35:53,596 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 14:35:53,605 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L28true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 20#L34true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 9#L39true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 15#additionENTRYtrue [2018-11-18 14:35:53,605 INFO L796 eck$LassoCheckResult]: Loop: 15#additionENTRYtrue ~m := #in~m;~n := #in~n; 18#L14true assume !(0 == ~n); 12#L17true assume ~n > 0; 11#L18true call #t~ret0 := addition(1 + ~m, ~n - 1);< 15#additionENTRYtrue [2018-11-18 14:35:53,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:53,609 INFO L82 PathProgramCache]: Analyzing trace with hash 28695875, now seen corresponding path program 1 times [2018-11-18 14:35:53,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:35:53,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:35:53,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:53,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:35:53,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:53,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:53,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1697202, now seen corresponding path program 1 times [2018-11-18 14:35:53,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:35:53,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:35:53,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:53,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:35:53,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:53,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:53,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1295733236, now seen corresponding path program 1 times [2018-11-18 14:35:53,687 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:35:53,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:35:53,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:53,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:35:53,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:53,785 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:35:53,785 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:35:53,786 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:35:53,786 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:35:53,786 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 14:35:53,786 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:53,786 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:35:53,786 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:35:53,786 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition02_false-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-18 14:35:53,786 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:35:53,787 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:35:53,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:53,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:53,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:53,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:53,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:53,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:53,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:53,907 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:35:53,907 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:53,910 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:53,910 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:53,915 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:53,916 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 /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:53,931 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:53,931 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:53,933 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:53,933 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 /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:53,948 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:53,948 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:53,950 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:53,950 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 /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:53,965 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:53,965 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:53,981 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:35:53,982 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:53,991 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:53,991 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 /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,006 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:54,006 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:54,009 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:54,009 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 /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,033 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:54,034 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,051 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:35:54,051 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:54,069 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 14:35:54,070 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:35:54,070 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:35:54,070 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:35:54,070 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:35:54,071 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 14:35:54,071 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,071 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:35:54,071 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:35:54,071 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition02_false-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-18 14:35:54,071 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:35:54,071 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:35:54,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,119 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:35:54,122 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 14:35:54,123 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:54,124 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:54,124 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:54,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:54,125 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:54,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:54,127 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:54,127 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:54,130 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:35:54,130 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:54,131 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:54,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:54,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:54,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:54,131 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:54,132 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:54,132 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:54,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:35:54,133 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:54,134 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:54,134 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:54,134 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:54,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:54,134 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:54,135 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:54,135 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:54,136 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:35:54,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:54,136 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:54,137 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:54,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:54,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:54,137 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:54,137 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:54,138 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:54,142 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:35:54,143 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:54,143 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:54,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:54,144 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:54,144 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:54,144 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:54,144 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:54,144 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:54,145 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:35:54,146 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:54,146 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:54,146 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:54,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:54,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:54,147 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:54,147 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:54,147 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:54,150 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:35:54,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:35:54,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:35:54,151 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:35:54,151 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:35:54,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:35:54,152 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:35:54,152 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:35:54,152 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:35:54,156 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 14:35:54,161 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 14:35:54,161 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-18 14:35:54,163 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 14:35:54,163 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 14:35:54,163 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 14:35:54,163 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2018-11-18 14:35:54,165 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 14:35:54,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:54,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:35:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:54,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:35:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:54,256 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-18 14:35:54,257 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states. Second operand 4 states. [2018-11-18 14:35:54,337 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states.. Second operand 4 states. Result 54 states and 73 transitions. Complement of second has 12 states. [2018-11-18 14:35:54,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-18 14:35:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 14:35:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2018-11-18 14:35:54,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-18 14:35:54,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:35:54,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2018-11-18 14:35:54,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:35:54,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2018-11-18 14:35:54,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:35:54,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 73 transitions. [2018-11-18 14:35:54,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 14:35:54,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 27 states and 30 transitions. [2018-11-18 14:35:54,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2018-11-18 14:35:54,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2018-11-18 14:35:54,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2018-11-18 14:35:54,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 14:35:54,351 INFO L705 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-11-18 14:35:54,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2018-11-18 14:35:54,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2018-11-18 14:35:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 14:35:54,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2018-11-18 14:35:54,368 INFO L728 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2018-11-18 14:35:54,368 INFO L608 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2018-11-18 14:35:54,369 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:35:54,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2018-11-18 14:35:54,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 14:35:54,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:35:54,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:35:54,370 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:35:54,370 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-18 14:35:54,370 INFO L794 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 137#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 138#L28 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 150#L34 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 140#L39 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 144#additionENTRY ~m := #in~m;~n := #in~n; 146#L14 assume !(0 == ~n); 151#L17 assume !(~n > 0); 139#L20 [2018-11-18 14:35:54,370 INFO L796 eck$LassoCheckResult]: Loop: 139#L20 assume ~n < 0; 141#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 148#additionENTRY ~m := #in~m;~n := #in~n; 154#L14 assume !(0 == ~n); 153#L17 assume !(~n > 0); 139#L20 [2018-11-18 14:35:54,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:54,371 INFO L82 PathProgramCache]: Analyzing trace with hash 180345180, now seen corresponding path program 1 times [2018-11-18 14:35:54,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:35:54,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:35:54,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:54,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:35:54,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:54,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:35:54,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:35:54,464 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 14:35:54,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:54,464 INFO L82 PathProgramCache]: Analyzing trace with hash 65148085, now seen corresponding path program 1 times [2018-11-18 14:35:54,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:35:54,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:35:54,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:54,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:35:54,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:35:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:54,536 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:35:54,536 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:35:54,537 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:35:54,537 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:35:54,537 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 14:35:54,537 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,537 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:35:54,537 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:35:54,537 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition02_false-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-18 14:35:54,537 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:35:54,538 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:35:54,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:35:54,608 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:35:54,608 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,610 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:54,610 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:54,613 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:54,613 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 /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,636 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:54,636 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,654 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:35:54,654 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:54,765 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:54,765 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 /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,780 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:54,780 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:54,782 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:54,782 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 /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,797 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:54,797 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:35:54,799 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 14:35:54,799 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 /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,814 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:35:54,814 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa02f77b-c601-4a91-b641-450eff5cf610/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:35:54,834 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:35:54,834 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:36:02,786 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 14:36:02,788 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:36:02,788 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:36:02,788 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:36:02,788 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:36:02,788 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 14:36:02,788 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:36:02,788 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:36:02,788 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:36:02,789 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition02_false-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-18 14:36:02,789 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:36:02,789 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:36:02,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:36:02,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:36:02,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:36:02,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:36:02,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:36:02,838 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:36:02,839 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 14:36:02,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:36:02,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:36:02,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:36:02,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:36:02,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:36:02,840 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:36:02,840 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:36:02,841 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:36:02,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:36:02,842 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:36:02,842 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:36:02,842 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:36:02,842 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:36:02,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:36:02,842 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:36:02,843 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:36:02,843 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:36:02,844 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:36:02,844 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:36:02,844 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:36:02,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:36:02,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:36:02,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:36:02,846 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:36:02,847 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:36:02,847 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:36:02,850 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:36:02,850 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:36:02,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:36:02,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:36:02,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:36:02,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:36:02,851 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:36:02,851 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:36:02,851 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:36:02,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:36:02,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 14:36:02,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:36:02,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:36:02,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:36:02,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:36:02,853 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:36:02,853 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:36:02,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:36:02,858 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 14:36:02,861 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 14:36:02,861 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-18 14:36:02,861 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 14:36:02,861 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 14:36:02,861 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 14:36:02,861 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2018-11-18 14:36:02,862 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 14:36:02,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:36:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:36:02,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:36:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:36:02,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:36:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:36:02,917 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-18 14:36:02,917 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand 5 states. [2018-11-18 14:36:02,967 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 32 states and 37 transitions. Complement of second has 13 states. [2018-11-18 14:36:02,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-18 14:36:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 14:36:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2018-11-18 14:36:02,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 8 letters. Loop has 5 letters. [2018-11-18 14:36:02,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:36:02,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 13 letters. Loop has 5 letters. [2018-11-18 14:36:02,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:36:02,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 8 letters. Loop has 10 letters. [2018-11-18 14:36:02,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 14:36:02,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2018-11-18 14:36:02,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 14:36:02,974 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 36 transitions. [2018-11-18 14:36:02,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2018-11-18 14:36:02,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2018-11-18 14:36:02,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2018-11-18 14:36:02,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 14:36:02,975 INFO L705 BuchiCegarLoop]: Abstraction has 31 states and 36 transitions. [2018-11-18 14:36:02,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2018-11-18 14:36:02,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2018-11-18 14:36:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 14:36:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2018-11-18 14:36:02,977 INFO L728 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2018-11-18 14:36:02,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:36:02,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:36:02,981 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 6 states. [2018-11-18 14:36:03,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:36:03,009 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2018-11-18 14:36:03,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:36:03,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2018-11-18 14:36:03,010 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 14:36:03,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-11-18 14:36:03,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 14:36:03,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 14:36:03,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 14:36:03,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:36:03,010 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:36:03,011 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:36:03,011 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:36:03,011 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:36:03,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:36:03,011 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 14:36:03,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 14:36:03,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:36:03 BoogieIcfgContainer [2018-11-18 14:36:03,015 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:36:03,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:36:03,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:36:03,016 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:36:03,016 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:35:53" (3/4) ... [2018-11-18 14:36:03,018 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 14:36:03,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:36:03,019 INFO L168 Benchmark]: Toolchain (without parser) took 9840.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 954.8 MB in the beginning and 922.4 MB in the end (delta: 32.4 MB). Peak memory consumption was 202.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:36:03,020 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:36:03,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.69 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 943.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:36:03,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.18 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:36:03,021 INFO L168 Benchmark]: Boogie Preprocessor took 10.61 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:36:03,021 INFO L168 Benchmark]: RCFGBuilder took 165.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:36:03,022 INFO L168 Benchmark]: BuchiAutomizer took 9491.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 922.4 MB in the end (delta: 230.1 MB). Peak memory consumption was 230.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:36:03,022 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 922.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:36:03,024 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.69 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 943.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.18 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.61 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 165.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9491.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 922.4 MB in the end (delta: 230.1 MB). Peak memory consumption was 230.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.2 GB. Free memory is still 922.4 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 9.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 9.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 18 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 30 SDtfs, 46 SDslu, 13 SDs, 0 SdLazy, 58 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 7ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 8.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...