./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/recursive/Addition01_true-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition01_true-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 91d2600fad1210650d8ad3da481cdcc11b280095 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:32:27,627 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:32:27,628 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:32:27,634 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:32:27,634 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:32:27,634 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:32:27,635 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:32:27,636 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:32:27,637 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:32:27,638 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:32:27,639 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:32:27,639 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:32:27,639 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:32:27,640 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:32:27,641 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:32:27,641 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:32:27,642 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:32:27,643 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:32:27,644 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:32:27,645 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:32:27,645 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:32:27,646 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:32:27,648 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:32:27,648 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:32:27,648 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:32:27,649 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:32:27,649 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:32:27,650 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:32:27,650 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:32:27,651 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:32:27,651 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:32:27,652 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:32:27,652 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:32:27,652 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:32:27,653 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:32:27,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:32:27,653 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 03:32:27,661 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:32:27,661 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:32:27,662 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:32:27,662 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:32:27,662 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:32:27,662 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 03:32:27,662 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 03:32:27,663 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 03:32:27,663 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 03:32:27,663 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 03:32:27,663 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 03:32:27,663 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:32:27,663 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:32:27,663 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 03:32:27,663 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:32:27,663 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:32:27,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:32:27,664 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 03:32:27,664 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 03:32:27,664 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 03:32:27,664 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:32:27,664 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:32:27,664 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 03:32:27,664 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 03:32:27,665 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:32:27,665 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:32:27,665 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 03:32:27,665 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:32:27,665 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:32:27,665 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 03:32:27,666 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 03:32:27,666 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_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 -> 91d2600fad1210650d8ad3da481cdcc11b280095 [2018-11-10 03:32:27,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:32:27,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:32:27,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:32:27,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:32:27,702 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:32:27,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/../../sv-benchmarks/c/recursive/Addition01_true-unreach-call_true-no-overflow_true-termination.c [2018-11-10 03:32:27,742 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/data/9c6c8881f/6f9af16d97674900b22c3850ad8b0e42/FLAG06fa10733 [2018-11-10 03:32:28,141 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:32:28,141 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/sv-benchmarks/c/recursive/Addition01_true-unreach-call_true-no-overflow_true-termination.c [2018-11-10 03:32:28,146 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/data/9c6c8881f/6f9af16d97674900b22c3850ad8b0e42/FLAG06fa10733 [2018-11-10 03:32:28,156 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/bin-2019/uautomizer/data/9c6c8881f/6f9af16d97674900b22c3850ad8b0e42 [2018-11-10 03:32:28,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:32:28,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:32:28,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:32:28,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:32:28,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:32:28,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e7f328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28, skipping insertion in model container [2018-11-10 03:32:28,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:32:28,182 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:32:28,280 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:32:28,282 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:32:28,291 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:32:28,299 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:32:28,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28 WrapperNode [2018-11-10 03:32:28,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:32:28,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:32:28,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:32:28,300 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:32:28,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:32:28,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:32:28,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:32:28,319 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:32:28,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... [2018-11-10 03:32:28,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:32:28,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:32:28,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:32:28,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:32:28,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:32:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:32:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2018-11-10 03:32:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2018-11-10 03:32:28,500 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:32:28,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:32:28 BoogieIcfgContainer [2018-11-10 03:32:28,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:32:28,501 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 03:32:28,501 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 03:32:28,503 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 03:32:28,504 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:32:28,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 03:32:28" (1/3) ... [2018-11-10 03:32:28,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bb08c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 03:32:28, skipping insertion in model container [2018-11-10 03:32:28,505 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:32:28,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:32:28" (2/3) ... [2018-11-10 03:32:28,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bb08c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 03:32:28, skipping insertion in model container [2018-11-10 03:32:28,505 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:32:28,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:32:28" (3/3) ... [2018-11-10 03:32:28,507 INFO L375 chiAutomizerObserver]: Analyzing ICFG Addition01_true-unreach-call_true-no-overflow_true-termination.c [2018-11-10 03:32:28,550 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:32:28,550 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 03:32:28,550 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 03:32:28,550 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 03:32:28,551 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:32:28,551 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:32:28,551 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 03:32:28,551 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:32:28,551 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 03:32:28,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-10 03:32:28,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 03:32:28,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:32:28,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:32:28,587 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 03:32:28,587 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 03:32:28,587 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 03:32:28,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-10 03:32:28,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 03:32:28,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:32:28,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:32:28,590 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 03:32:28,590 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 03:32:28,596 INFO L793 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L28true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 20#L34true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 9#L39true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 15#additionENTRYtrue [2018-11-10 03:32:28,597 INFO L795 eck$LassoCheckResult]: Loop: 15#additionENTRYtrue ~m := #in~m;~n := #in~n; 18#L14true assume !(~n == 0); 12#L17true assume ~n > 0; 11#L18true call #t~ret0 := addition(~m + 1, ~n - 1);< 15#additionENTRYtrue [2018-11-10 03:32:28,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:28,602 INFO L82 PathProgramCache]: Analyzing trace with hash 28695875, now seen corresponding path program 1 times [2018-11-10 03:32:28,603 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:32:28,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:32:28,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:28,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:28,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:32:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:32:28,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:28,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1697202, now seen corresponding path program 1 times [2018-11-10 03:32:28,674 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:32:28,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:32:28,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:28,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:28,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:32:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:32:28,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:28,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1295733236, now seen corresponding path program 1 times [2018-11-10 03:32:28,683 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:32:28,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:32:28,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:28,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:28,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:32:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:32:28,784 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 03:32:28,785 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 03:32:28,785 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 03:32:28,785 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 03:32:28,786 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 03:32:28,786 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:32:28,786 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 03:32:28,786 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 03:32:28,786 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition01_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-10 03:32:28,786 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 03:32:28,786 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 03:32:28,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:28,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:28,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:28,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:28,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:28,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:28,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:28,931 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 03:32:28,931 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:28,935 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:28,935 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:28,941 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:32:28,941 INFO L446 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_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:28,958 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:28,958 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:28,967 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:32:28,967 INFO L446 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_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:28,990 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:28,991 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:28,993 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:32:28,993 INFO L446 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_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,010 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:29,010 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,028 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 03:32:29,028 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:29,049 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:32:29,049 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=7}, {addition_#in~m=-3}, {addition_#in~m=-3}] Lambdas: [1, 0, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,065 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:29,065 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:29,067 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:32:29,067 INFO L446 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_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,083 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:29,083 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,100 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 03:32:29,101 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:29,119 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 03:32:29,120 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 03:32:29,120 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 03:32:29,120 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 03:32:29,120 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 03:32:29,120 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 03:32:29,120 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:32:29,120 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 03:32:29,120 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 03:32:29,120 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition01_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-10 03:32:29,120 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 03:32:29,120 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 03:32:29,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,175 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 03:32:29,178 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 03:32:29,179 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 [2018-11-10 03:32:29,180 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:29,180 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:29,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:29,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:29,181 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:29,182 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:29,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:29,184 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:29,185 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 [2018-11-10 03:32:29,185 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:29,185 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:29,185 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:29,185 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:29,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:29,186 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:29,186 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:29,187 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:29,188 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 [2018-11-10 03:32:29,188 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:29,188 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:29,188 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:29,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:29,189 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:29,189 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:29,189 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:29,190 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:29,191 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 [2018-11-10 03:32:29,191 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:29,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:29,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:29,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:29,192 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:29,192 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:29,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:29,195 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:29,196 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 [2018-11-10 03:32:29,196 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:29,196 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:29,196 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:29,197 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:29,197 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:29,197 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:29,197 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:29,198 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:29,199 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 [2018-11-10 03:32:29,199 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:29,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:29,199 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:29,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:29,200 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:29,200 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:29,200 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:29,201 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:29,201 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 [2018-11-10 03:32:29,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:29,202 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:29,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:29,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:29,202 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:29,203 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:29,203 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:29,207 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 03:32:29,208 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 03:32:29,209 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 03:32:29,210 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 03:32:29,210 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 03:32:29,210 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 03:32:29,211 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2018-11-10 03:32:29,212 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 03:32:29,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:29,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:32:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:29,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:32:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:32:29,308 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 [2018-11-10 03:32:29,309 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states. Second operand 4 states. [2018-11-10 03:32:29,387 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. [2018-11-10 03:32:29,387 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 [2018-11-10 03:32:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 03:32:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2018-11-10 03:32:29,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-10 03:32:29,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:32:29,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2018-11-10 03:32:29,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:32:29,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2018-11-10 03:32:29,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:32:29,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 73 transitions. [2018-11-10 03:32:29,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 03:32:29,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 27 states and 30 transitions. [2018-11-10 03:32:29,402 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2018-11-10 03:32:29,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2018-11-10 03:32:29,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2018-11-10 03:32:29,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 03:32:29,403 INFO L705 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-11-10 03:32:29,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2018-11-10 03:32:29,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2018-11-10 03:32:29,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-10 03:32:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2018-11-10 03:32:29,424 INFO L728 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2018-11-10 03:32:29,424 INFO L608 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2018-11-10 03:32:29,424 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 03:32:29,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2018-11-10 03:32:29,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 03:32:29,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:32:29,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:32:29,425 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:32:29,425 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-10 03:32:29,425 INFO L793 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 137#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 138#L28 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 150#L34 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 140#L39 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 144#additionENTRY ~m := #in~m;~n := #in~n; 146#L14 assume !(~n == 0); 151#L17 assume !(~n > 0); 139#L20 [2018-11-10 03:32:29,425 INFO L795 eck$LassoCheckResult]: Loop: 139#L20 assume ~n < 0; 141#L21 call #t~ret1 := addition(~m - 1, ~n + 1);< 148#additionENTRY ~m := #in~m;~n := #in~n; 154#L14 assume !(~n == 0); 153#L17 assume !(~n > 0); 139#L20 [2018-11-10 03:32:29,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:29,426 INFO L82 PathProgramCache]: Analyzing trace with hash 180345180, now seen corresponding path program 1 times [2018-11-10 03:32:29,426 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:32:29,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:32:29,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:29,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:29,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:32:29,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:32:29,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 03:32:29,504 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-11-10 03:32:29,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:29,505 INFO L82 PathProgramCache]: Analyzing trace with hash 65148085, now seen corresponding path program 1 times [2018-11-10 03:32:29,505 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:32:29,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:32:29,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:29,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:32:29,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:32:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:32:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:32:29,576 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 03:32:29,576 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 03:32:29,576 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 03:32:29,576 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 03:32:29,576 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 03:32:29,576 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:32:29,576 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 03:32:29,576 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 03:32:29,576 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition01_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-10 03:32:29,576 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 03:32:29,577 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 03:32:29,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:29,634 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 03:32:29,634 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,639 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:29,639 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:29,642 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:32:29,642 INFO L446 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_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,659 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:29,659 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,680 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 03:32:29,680 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:29,848 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:32:29,848 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-7, addition_~m=-7} Honda state: {addition_#in~m=-7, addition_~m=-7} Generalized eigenvectors: [{addition_#in~m=-5, addition_~m=-5}, {addition_#in~m=4, addition_~m=4}, {addition_#in~m=0, addition_~m=0}] Lambdas: [1, 1, 14] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,864 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:29,864 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:29,866 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:32:29,866 INFO L446 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_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,881 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:29,881 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:29,883 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 03:32:29,883 INFO L446 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_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,900 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 03:32:29,900 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fb3f0e0-365b-409e-af93-877be46c9ef9/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 [2018-11-10 03:32:29,920 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 03:32:29,920 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 03:32:36,878 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 03:32:36,879 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 03:32:36,879 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 03:32:36,879 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 03:32:36,879 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 03:32:36,879 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 03:32:36,879 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:32:36,879 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 03:32:36,879 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 03:32:36,879 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition01_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-10 03:32:36,880 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 03:32:36,880 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 03:32:36,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:36,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:36,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:36,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:36,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 03:32:36,939 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 03:32:36,939 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 03:32:36,940 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 [2018-11-10 03:32:36,942 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:36,942 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:36,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:36,943 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:36,943 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:36,943 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:36,943 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:36,944 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:36,944 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 [2018-11-10 03:32:36,945 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:36,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:36,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:36,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:36,946 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:36,946 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:36,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:36,949 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:36,950 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 [2018-11-10 03:32:36,950 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:36,951 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:36,951 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:36,951 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:36,952 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:36,952 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:36,952 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:36,956 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:36,956 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 [2018-11-10 03:32:36,957 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:36,957 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:36,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:36,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:36,957 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:36,958 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:36,958 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:36,959 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 03:32:36,959 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 [2018-11-10 03:32:36,959 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 03:32:36,959 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 03:32:36,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 03:32:36,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 03:32:36,960 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 03:32:36,960 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 03:32:36,960 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 03:32:36,963 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 03:32:36,966 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 03:32:36,966 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 03:32:36,967 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 03:32:36,967 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 03:32:36,967 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 03:32:36,967 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2018-11-10 03:32:36,967 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 03:32:36,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:32:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:36,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:32:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:32:37,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:32:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:32:37,020 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 [2018-11-10 03:32:37,020 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand 5 states. [2018-11-10 03:32:37,057 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. [2018-11-10 03:32:37,057 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 [2018-11-10 03:32:37,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-10 03:32:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2018-11-10 03:32:37,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 8 letters. Loop has 5 letters. [2018-11-10 03:32:37,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:32:37,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 13 letters. Loop has 5 letters. [2018-11-10 03:32:37,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:32:37,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 8 letters. Loop has 10 letters. [2018-11-10 03:32:37,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 03:32:37,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2018-11-10 03:32:37,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 03:32:37,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 36 transitions. [2018-11-10 03:32:37,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2018-11-10 03:32:37,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2018-11-10 03:32:37,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2018-11-10 03:32:37,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 03:32:37,062 INFO L705 BuchiCegarLoop]: Abstraction has 31 states and 36 transitions. [2018-11-10 03:32:37,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2018-11-10 03:32:37,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2018-11-10 03:32:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-10 03:32:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2018-11-10 03:32:37,065 INFO L728 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2018-11-10 03:32:37,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:32:37,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:32:37,068 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 6 states. [2018-11-10 03:32:37,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:32:37,098 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2018-11-10 03:32:37,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:32:37,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2018-11-10 03:32:37,099 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 03:32:37,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-11-10 03:32:37,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 03:32:37,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 03:32:37,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 03:32:37,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 03:32:37,100 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:32:37,100 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:32:37,100 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:32:37,100 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-10 03:32:37,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:32:37,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 03:32:37,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 03:32:37,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 03:32:37 BoogieIcfgContainer [2018-11-10 03:32:37,105 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 03:32:37,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:32:37,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:32:37,105 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:32:37,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:32:28" (3/4) ... [2018-11-10 03:32:37,108 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:32:37,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:32:37,109 INFO L168 Benchmark]: Toolchain (without parser) took 8950.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 959.2 MB in the beginning and 899.2 MB in the end (delta: 60.1 MB). Peak memory consumption was 185.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:37,110 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:32:37,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.15 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:37,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.79 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:32:37,111 INFO L168 Benchmark]: Boogie Preprocessor took 9.57 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:37,111 INFO L168 Benchmark]: RCFGBuilder took 171.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:37,112 INFO L168 Benchmark]: BuchiAutomizer took 8603.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.2 MB in the end (delta: 216.9 MB). Peak memory consumption was 216.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:32:37,112 INFO L168 Benchmark]: Witness Printer took 3.32 ms. Allocated memory is still 1.2 GB. Free memory is still 899.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:32:37,114 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.15 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 18.79 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.57 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 171.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8603.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.2 MB in the end (delta: 216.9 MB). Peak memory consumption was 216.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.32 ms. Allocated memory is still 1.2 GB. Free memory is still 899.2 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 8.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.1s. 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: 5ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 7.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...