./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/sum_25x0_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/sum_25x0_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/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 59acfc6d5178664a3f2144603274c2b6e876292a ................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:28:35,669 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:28:35,670 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:28:35,678 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:28:35,679 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:28:35,679 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:28:35,680 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:28:35,681 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:28:35,682 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:28:35,683 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:28:35,684 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:28:35,684 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:28:35,685 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:28:35,685 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:28:35,686 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:28:35,687 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:28:35,687 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:28:35,689 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:28:35,690 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:28:35,691 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:28:35,692 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:28:35,693 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:28:35,694 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:28:35,695 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:28:35,695 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:28:35,696 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:28:35,696 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:28:35,697 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:28:35,697 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:28:35,698 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:28:35,698 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:28:35,699 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:28:35,699 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:28:35,699 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:28:35,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:28:35,700 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:28:35,700 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:28:35,709 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:28:35,709 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:28:35,710 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:28:35,710 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:28:35,710 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:28:35,710 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:28:35,710 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:28:35,710 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:28:35,710 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:28:35,711 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:28:35,711 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:28:35,711 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:28:35,711 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:28:35,711 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:28:35,711 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:28:35,711 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:28:35,712 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:28:35,712 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:28:35,712 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:28:35,712 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:28:35,712 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:28:35,712 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:28:35,712 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:28:35,713 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:28:35,713 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:28:35,713 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:28:35,713 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:28:35,713 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:28:35,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:28:35,713 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:28:35,714 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:28:35,714 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:28:35,714 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_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/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 -> 59acfc6d5178664a3f2144603274c2b6e876292a [2018-11-28 11:28:35,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:28:35,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:28:35,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:28:35,752 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:28:35,753 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:28:35,753 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/../../sv-benchmarks/c/recursive-simple/sum_25x0_false-unreach-call_true-termination.c [2018-11-28 11:28:35,804 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/data/12747123a/72ab37315eeb43e5b2c36f7335d66d6e/FLAGb9ec04824 [2018-11-28 11:28:36,160 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:28:36,161 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/sv-benchmarks/c/recursive-simple/sum_25x0_false-unreach-call_true-termination.c [2018-11-28 11:28:36,165 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/data/12747123a/72ab37315eeb43e5b2c36f7335d66d6e/FLAGb9ec04824 [2018-11-28 11:28:36,175 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/bin-2019/uautomizer/data/12747123a/72ab37315eeb43e5b2c36f7335d66d6e [2018-11-28 11:28:36,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:28:36,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:28:36,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:28:36,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:28:36,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:28:36,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f7ed53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36, skipping insertion in model container [2018-11-28 11:28:36,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:28:36,203 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:28:36,315 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:28:36,318 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:28:36,328 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:28:36,337 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:28:36,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36 WrapperNode [2018-11-28 11:28:36,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:28:36,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:28:36,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:28:36,338 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:28:36,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:28:36,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:28:36,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:28:36,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:28:36,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... [2018-11-28 11:28:36,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:28:36,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:28:36,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:28:36,371 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:28:36,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/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 [2018-11-28 11:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:28:36,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2018-11-28 11:28:36,452 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2018-11-28 11:28:36,547 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:28:36,547 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-28 11:28:36,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:28:36 BoogieIcfgContainer [2018-11-28 11:28:36,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:28:36,548 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:28:36,548 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:28:36,551 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:28:36,552 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:28:36,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:28:36" (1/3) ... [2018-11-28 11:28:36,553 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6089fc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:28:36, skipping insertion in model container [2018-11-28 11:28:36,553 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:28:36,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:28:36" (2/3) ... [2018-11-28 11:28:36,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6089fc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:28:36, skipping insertion in model container [2018-11-28 11:28:36,554 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:28:36,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:28:36" (3/3) ... [2018-11-28 11:28:36,555 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum_25x0_false-unreach-call_true-termination.c [2018-11-28 11:28:36,606 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:28:36,607 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:28:36,607 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:28:36,607 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:28:36,607 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:28:36,607 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:28:36,607 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:28:36,607 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:28:36,607 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:28:36,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-28 11:28:36,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 11:28:36,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:28:36,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:28:36,640 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 11:28:36,640 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 11:28:36,640 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:28:36,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-28 11:28:36,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 11:28:36,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:28:36,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:28:36,642 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 11:28:36,642 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 11:28:36,647 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~a~0, main_~b~0, main_~result~0;main_~a~0 := 25;main_~b~0 := 0; 15#L14true call main_#t~ret1 := sum(main_~a~0, main_~b~0);< 8#sumENTRYtrue [2018-11-28 11:28:36,648 INFO L796 eck$LassoCheckResult]: Loop: 8#sumENTRYtrue ~n := #in~n;~m := #in~m; 6#L4true assume !(~n <= 0); 7#L7true call #t~ret0 := sum(~n - 1, 1 + ~m);< 8#sumENTRYtrue [2018-11-28 11:28:36,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:28:36,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2018-11-28 11:28:36,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:28:36,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:28:36,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:28:36,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:28:36,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:28:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:28:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:28:36,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:28:36,734 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2018-11-28 11:28:36,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:28:36,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:28:36,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:28:36,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:28:36,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:28:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:28:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:28:36,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:28:36,746 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2018-11-28 11:28:36,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:28:36,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:28:36,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:28:36,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:28:36,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:28:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:28:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:28:36,839 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:28:36,840 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:28:36,840 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:28:36,840 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:28:36,840 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:28:36,841 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:28:36,841 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:28:36,841 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:28:36,841 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum_25x0_false-unreach-call_true-termination.c_Iteration1_Loop [2018-11-28 11:28:36,841 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:28:36,841 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:28:36,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:36,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:36,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:36,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:36,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:36,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:36,958 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:28:36,959 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/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 [2018-11-28 11:28:36,964 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:28:36,964 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:28:36,973 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:28:36,973 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/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 [2018-11-28 11:28:37,005 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:28:37,005 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:28:37,008 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:28:37,008 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~m=0} Honda state: {sum_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/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 [2018-11-28 11:28:37,029 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:28:37,030 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e49e9b3-ebae-4f49-9f2b-ab76607d1752/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 [2018-11-28 11:28:37,048 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:28:37,048 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:28:37,068 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:28:37,069 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:28:37,069 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:28:37,069 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:28:37,069 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:28:37,069 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:28:37,069 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:28:37,069 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:28:37,069 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:28:37,069 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum_25x0_false-unreach-call_true-termination.c_Iteration1_Loop [2018-11-28 11:28:37,069 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:28:37,069 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:28:37,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:37,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:37,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:37,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:37,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:37,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:28:37,132 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:28:37,136 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:28:37,137 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 [2018-11-28 11:28:37,138 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:28:37,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:28:37,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:28:37,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:28:37,139 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:28:37,140 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:28:37,140 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:28:37,143 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:28:37,143 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:28:37,144 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:28:37,144 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:28:37,144 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:28:37,144 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:28:37,144 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:28:37,145 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:28:37,145 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:28:37,146 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:28:37,146 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:28:37,146 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:28:37,147 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:28:37,147 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:28:37,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:28:37,147 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:28:37,147 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:28:37,148 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:28:37,151 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:28:37,154 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 11:28:37,154 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 11:28:37,155 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:28:37,156 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 11:28:37,156 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:28:37,156 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(sum_#in~n) = 1*sum_#in~n Supporting invariants [] [2018-11-28 11:28:37,157 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 11:28:37,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:28:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:28:37,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:28:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:28:37,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:28:37,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:28:37,250 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 [2018-11-28 11:28:37,252 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2018-11-28 11:28:37,328 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 29 states and 34 transitions. Complement of second has 12 states. [2018-11-28 11:28:37,329 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 [2018-11-28 11:28:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 11:28:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2018-11-28 11:28:37,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-28 11:28:37,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:28:37,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-28 11:28:37,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:28:37,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-28 11:28:37,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:28:37,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2018-11-28 11:28:37,335 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:28:37,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2018-11-28 11:28:37,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:28:37,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:28:37,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:28:37,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:28:37,339 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:28:37,339 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:28:37,339 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:28:37,339 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:28:37,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:28:37,339 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:28:37,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 11:28:37,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:28:37 BoogieIcfgContainer [2018-11-28 11:28:37,344 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:28:37,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:28:37,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:28:37,344 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:28:37,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:28:36" (3/4) ... [2018-11-28 11:28:37,347 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:28:37,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:28:37,347 INFO L168 Benchmark]: Toolchain (without parser) took 1169.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -76.1 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:28:37,349 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:28:37,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.43 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 945.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:28:37,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.95 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:28:37,350 INFO L168 Benchmark]: Boogie Preprocessor took 11.67 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:28:37,350 INFO L168 Benchmark]: RCFGBuilder took 176.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:28:37,350 INFO L168 Benchmark]: BuchiAutomizer took 796.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:28:37,351 INFO L168 Benchmark]: Witness Printer took 2.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:28:37,353 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.43 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 945.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.95 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.67 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 176.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 796.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...