./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.11_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.11_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 64bit --witnessprinter.graph.data.programhash 7711c52d03cf170922076ef9d83d98ea57ca0c02 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:39:49,658 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:39:49,659 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:39:49,665 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:39:49,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:39:49,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:39:49,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:39:49,668 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:39:49,669 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:39:49,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:39:49,670 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:39:49,670 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:39:49,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:39:49,671 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:39:49,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:39:49,672 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:39:49,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:39:49,674 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:39:49,676 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:39:49,677 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:39:49,678 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:39:49,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:39:49,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:39:49,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:39:49,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:39:49,681 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:39:49,682 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:39:49,682 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:39:49,683 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:39:49,683 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:39:49,684 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:39:49,684 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:39:49,684 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:39:49,684 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:39:49,685 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:39:49,685 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:39:49,686 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 05:39:49,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:39:49,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:39:49,697 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:39:49,697 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:39:49,698 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:39:49,698 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 05:39:49,698 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 05:39:49,698 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 05:39:49,698 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 05:39:49,698 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 05:39:49,699 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 05:39:49,699 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:39:49,699 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:39:49,699 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:39:49,699 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:39:49,699 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 05:39:49,699 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 05:39:49,700 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 05:39:49,700 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:39:49,700 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 05:39:49,700 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 05:39:49,700 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:39:49,700 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:39:49,701 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 05:39:49,701 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:39:49,701 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:39:49,701 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 05:39:49,702 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 05:39:49,702 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_f912970d-08e9-4016-9f14-447883b96775/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7711c52d03cf170922076ef9d83d98ea57ca0c02 [2018-11-10 05:39:49,725 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:39:49,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:39:49,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:39:49,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:39:49,737 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:39:49,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/b.11_true-termination_true-no-overflow.c [2018-11-10 05:39:49,771 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/data/9febc03a3/c1a50cf126aa46d6b0f29013dfef56e5/FLAG596ffe969 [2018-11-10 05:39:50,161 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:39:50,161 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/sv-benchmarks/c/termination-restricted-15/b.11_true-termination_true-no-overflow.c [2018-11-10 05:39:50,164 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/data/9febc03a3/c1a50cf126aa46d6b0f29013dfef56e5/FLAG596ffe969 [2018-11-10 05:39:50,174 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/bin-2019/uautomizer/data/9febc03a3/c1a50cf126aa46d6b0f29013dfef56e5 [2018-11-10 05:39:50,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:39:50,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:39:50,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:39:50,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:39:50,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:39:50,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50, skipping insertion in model container [2018-11-10 05:39:50,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:39:50,200 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:39:50,288 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:39:50,290 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:39:50,299 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:39:50,307 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:39:50,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50 WrapperNode [2018-11-10 05:39:50,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:39:50,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:39:50,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:39:50,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:39:50,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:39:50,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:39:50,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:39:50,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:39:50,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... [2018-11-10 05:39:50,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:39:50,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:39:50,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:39:50,346 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:39:50,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 05:39:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:39:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:39:50,522 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:39:50,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:39:50 BoogieIcfgContainer [2018-11-10 05:39:50,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:39:50,524 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 05:39:50,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 05:39:50,527 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 05:39:50,528 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:39:50,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 05:39:50" (1/3) ... [2018-11-10 05:39:50,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd5faa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:39:50, skipping insertion in model container [2018-11-10 05:39:50,529 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:39:50,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:39:50" (2/3) ... [2018-11-10 05:39:50,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd5faa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:39:50, skipping insertion in model container [2018-11-10 05:39:50,530 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:39:50,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:39:50" (3/3) ... [2018-11-10 05:39:50,531 INFO L375 chiAutomizerObserver]: Analyzing ICFG b.11_true-termination_true-no-overflow.c [2018-11-10 05:39:50,580 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:39:50,580 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 05:39:50,580 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 05:39:50,581 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 05:39:50,581 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:39:50,581 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:39:50,581 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 05:39:50,581 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:39:50,581 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 05:39:50,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-10 05:39:50,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-10 05:39:50,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:39:50,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:39:50,617 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 05:39:50,617 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-10 05:39:50,617 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 05:39:50,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-10 05:39:50,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-10 05:39:50,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:39:50,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:39:50,619 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 05:39:50,619 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-10 05:39:50,625 INFO L793 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 10#L15-2true [2018-11-10 05:39:50,626 INFO L795 eck$LassoCheckResult]: Loop: 10#L15-2true assume true; 5#L11-1true assume !!(((main_~x~0 >= 0 && main_~y~0 < 2147483647 - main_~x~0) || (main_~x~0 < 0 && main_~y~0 > -2147483648 - main_~x~0)) && main_~x~0 + main_~y~0 > 0); 8#L12true assume main_~x~0 > main_~y~0;main_~x~0 := main_~x~0 - 1; 10#L15-2true [2018-11-10 05:39:50,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:39:50,631 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 05:39:50,632 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:39:50,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:39:50,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:39:50,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:39:50,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:39:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:39:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:39:50,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:39:50,710 INFO L82 PathProgramCache]: Analyzing trace with hash 35944, now seen corresponding path program 1 times [2018-11-10 05:39:50,710 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:39:50,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:39:50,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:39:50,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:39:50,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:39:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:39:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:39:50,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:39:50,725 INFO L82 PathProgramCache]: Analyzing trace with hash 28694886, now seen corresponding path program 1 times [2018-11-10 05:39:50,725 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:39:50,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:39:50,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:39:50,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:39:50,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:39:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:39:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:39:50,788 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:39:50,789 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:39:50,789 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:39:50,789 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:39:50,789 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 05:39:50,789 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:39:50,790 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:39:50,790 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:39:50,790 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.11_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-10 05:39:50,790 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:39:50,790 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:39:50,804 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 05:39:50,810 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 05:39:50,815 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 05:39:50,877 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:39:50,877 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 05:39:50,895 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:39:50,895 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:39:50,914 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:39:50,915 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 05:39:50,917 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:39:50,918 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:39:50,934 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:39:50,934 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 05:39:50,936 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:39:50,936 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 05:39:50,954 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:39:50,954 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:40:02,996 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 05:40:03,000 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:40:03,000 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:40:03,000 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:40:03,000 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:40:03,000 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 05:40:03,000 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:40:03,000 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:40:03,001 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:40:03,001 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.11_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-10 05:40:03,001 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:40:03,001 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:40:03,002 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 05:40:03,004 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 05:40:03,005 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 05:40:03,056 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:40:03,060 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 05:40:03,061 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 05:40:03,063 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:40:03,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:40:03,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:40:03,064 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:40:03,067 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:40:03,067 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:40:03,075 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:40:03,075 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 05:40:03,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:40:03,076 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:40:03,076 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:40:03,076 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:40:03,078 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:40:03,078 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:40:03,085 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:40:03,085 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 05:40:03,086 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:40:03,086 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:40:03,086 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:40:03,086 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:40:03,086 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:40:03,087 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:40:03,088 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:40:03,094 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 05:40:03,099 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 05:40:03,099 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-10 05:40:03,101 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 05:40:03,101 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 05:40:03,101 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 05:40:03,102 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-11-10 05:40:03,103 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 05:40:03,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:03,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:40:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:03,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:40:03,153 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 05:40:03,166 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-10 05:40:03,167 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2018-11-10 05:40:03,213 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 25 states and 32 transitions. Complement of second has 7 states. [2018-11-10 05:40:03,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 05:40:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 05:40:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2018-11-10 05:40:03,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-10 05:40:03,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:40:03,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-10 05:40:03,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:40:03,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-10 05:40:03,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:40:03,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2018-11-10 05:40:03,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-10 05:40:03,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 13 states and 17 transitions. [2018-11-10 05:40:03,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2018-11-10 05:40:03,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2018-11-10 05:40:03,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2018-11-10 05:40:03,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 05:40:03,225 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-11-10 05:40:03,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2018-11-10 05:40:03,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2018-11-10 05:40:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-10 05:40:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2018-11-10 05:40:03,242 INFO L728 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2018-11-10 05:40:03,242 INFO L608 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2018-11-10 05:40:03,242 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 05:40:03,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2018-11-10 05:40:03,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-10 05:40:03,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:40:03,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:40:03,243 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 05:40:03,243 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 05:40:03,243 INFO L793 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 82#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 83#L15-2 assume true; 84#L11-1 [2018-11-10 05:40:03,243 INFO L795 eck$LassoCheckResult]: Loop: 84#L11-1 assume !!(((main_~x~0 >= 0 && main_~y~0 < 2147483647 - main_~x~0) || (main_~x~0 < 0 && main_~y~0 > -2147483648 - main_~x~0)) && main_~x~0 + main_~y~0 > 0); 85#L12 assume !(main_~x~0 > main_~y~0); 77#L15 assume !(main_~x~0 == main_~y~0);main_~y~0 := main_~y~0 - 1; 78#L15-2 assume true; 84#L11-1 [2018-11-10 05:40:03,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:03,243 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2018-11-10 05:40:03,243 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:40:03,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:40:03,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:03,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:40:03,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:40:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:40:03,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:03,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1298038, now seen corresponding path program 1 times [2018-11-10 05:40:03,247 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:40:03,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:40:03,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:03,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:40:03,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:40:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:40:03,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:03,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1805984280, now seen corresponding path program 1 times [2018-11-10 05:40:03,256 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:40:03,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:40:03,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:03,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:40:03,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:40:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:40:03,294 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:40:03,294 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:40:03,294 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:40:03,294 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:40:03,295 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 05:40:03,295 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:40:03,295 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:40:03,295 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:40:03,295 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.11_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-10 05:40:03,295 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:40:03,295 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:40:03,296 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 05:40:03,298 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 05:40:03,300 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 05:40:03,385 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:40:03,385 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 05:40:03,399 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:40:03,400 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:40:03,417 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:40:03,417 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 05:40:03,420 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:40:03,420 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:40:03,436 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:40:03,436 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 05:40:03,443 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:40:03,444 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f912970d-08e9-4016-9f14-447883b96775/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 05:40:03,475 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:40:03,475 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:40:15,518 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 05:40:15,522 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:40:15,522 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:40:15,523 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:40:15,523 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:40:15,523 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 05:40:15,523 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:40:15,523 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:40:15,523 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:40:15,523 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.11_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-10 05:40:15,523 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:40:15,524 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:40:15,525 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 05:40:15,527 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 05:40:15,528 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 05:40:15,631 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:40:15,631 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 05:40:15,631 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 05:40:15,632 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:40:15,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:40:15,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:40:15,633 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:40:15,634 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:40:15,634 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:40:15,637 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:40:15,637 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 05:40:15,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:40:15,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:40:15,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:40:15,638 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:40:15,639 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:40:15,640 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:40:15,643 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:40:15,643 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 05:40:15,643 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:40:15,643 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:40:15,644 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:40:15,644 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-10 05:40:15,644 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:40:15,644 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:40:15,644 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:40:15,649 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 05:40:15,656 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 05:40:15,656 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-10 05:40:15,656 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 05:40:15,657 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 05:40:15,657 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 05:40:15,657 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2018-11-10 05:40:15,657 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 05:40:15,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:15,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:40:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:15,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:40:15,725 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 05:40:15,726 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2018-11-10 05:40:15,726 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 5 states. [2018-11-10 05:40:15,759 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 34 states and 47 transitions. Complement of second has 8 states. [2018-11-10 05:40:15,760 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 05:40:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-10 05:40:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2018-11-10 05:40:15,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-10 05:40:15,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:40:15,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 4 letters. [2018-11-10 05:40:15,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:40:15,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 8 letters. [2018-11-10 05:40:15,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:40:15,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2018-11-10 05:40:15,763 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 05:40:15,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2018-11-10 05:40:15,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 05:40:15,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 05:40:15,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 05:40:15,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 05:40:15,763 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:40:15,763 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:40:15,763 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:40:15,764 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-10 05:40:15,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:40:15,764 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 05:40:15,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 05:40:15,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 05:40:15 BoogieIcfgContainer [2018-11-10 05:40:15,768 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 05:40:15,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:40:15,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:40:15,769 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:40:15,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:39:50" (3/4) ... [2018-11-10 05:40:15,771 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:40:15,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:40:15,772 INFO L168 Benchmark]: Toolchain (without parser) took 25594.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.0 MB in the beginning and 959.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:15,773 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:40:15,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.91 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:15,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.88 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:40:15,774 INFO L168 Benchmark]: Boogie Preprocessor took 13.34 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 941.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:15,774 INFO L168 Benchmark]: RCFGBuilder took 177.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:15,775 INFO L168 Benchmark]: BuchiAutomizer took 25244.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.3 MB in the end (delta: 170.6 MB). Peak memory consumption was 170.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:15,775 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 1.2 GB. Free memory is still 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:40:15,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.91 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.2 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 24.88 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.34 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 941.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 177.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 25244.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.3 MB in the end (delta: 170.6 MB). Peak memory consumption was 170.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 ms. Allocated memory is still 1.2 GB. Free memory is still 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 24.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 14 SDslu, 12 SDs, 0 SdLazy, 30 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf98 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq132 hnf96 smp90 dnf133 smp96 tf106 neg98 sie121 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...