./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/recursive-simple/sum_15x0_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/sum_15x0_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/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 7f140b11074e684b22c263036fee9fde5b4c087a ........................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:12:04,016 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:12:04,018 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:12:04,029 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:12:04,029 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:12:04,030 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:12:04,031 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:12:04,033 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:12:04,035 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:12:04,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:12:04,037 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:12:04,037 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:12:04,038 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:12:04,039 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:12:04,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:12:04,040 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:12:04,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:12:04,042 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:12:04,044 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:12:04,045 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:12:04,046 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:12:04,047 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:12:04,050 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:12:04,050 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:12:04,050 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:12:04,051 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:12:04,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:12:04,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:12:04,053 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:12:04,055 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:12:04,055 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:12:04,055 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:12:04,056 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:12:04,056 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:12:04,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:12:04,058 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:12:04,058 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:12:04,072 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:12:04,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:12:04,073 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:12:04,073 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:12:04,074 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:12:04,074 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:12:04,074 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:12:04,074 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:12:04,074 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:12:04,075 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:12:04,075 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:12:04,075 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:12:04,075 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:12:04,075 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:12:04,076 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:12:04,076 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:12:04,076 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:12:04,076 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:12:04,076 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:12:04,076 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:12:04,077 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:12:04,077 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:12:04,077 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:12:04,077 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:12:04,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:12:04,077 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:12:04,078 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:12:04,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:12:04,078 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:12:04,078 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:12:04,079 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:12:04,079 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_17d5bf80-f2bc-439f-8402-b545c3b716e5/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 -> 7f140b11074e684b22c263036fee9fde5b4c087a [2018-10-27 06:12:04,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:12:04,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:12:04,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:12:04,134 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:12:04,134 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:12:04,135 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/../../sv-benchmarks/c/recursive-simple/sum_15x0_true-unreach-call_true-termination.c [2018-10-27 06:12:04,190 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/data/8b94cfe68/410690383e0a4594b4475c252b2dae3c/FLAG3eb3dcb62 [2018-10-27 06:12:04,590 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:12:04,591 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/sv-benchmarks/c/recursive-simple/sum_15x0_true-unreach-call_true-termination.c [2018-10-27 06:12:04,596 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/data/8b94cfe68/410690383e0a4594b4475c252b2dae3c/FLAG3eb3dcb62 [2018-10-27 06:12:04,608 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/bin-2019/uautomizer/data/8b94cfe68/410690383e0a4594b4475c252b2dae3c [2018-10-27 06:12:04,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:12:04,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:12:04,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:04,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:12:04,625 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:12:04,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e259bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04, skipping insertion in model container [2018-10-27 06:12:04,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:12:04,657 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:12:04,796 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:04,799 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:12:04,815 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:04,830 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:12:04,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04 WrapperNode [2018-10-27 06:12:04,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:04,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:04,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:12:04,832 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:12:04,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:04,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:12:04,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:12:04,863 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:12:04,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... [2018-10-27 06:12:04,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:12:04,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:12:04,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:12:04,880 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:12:04,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/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 [2018-10-27 06:12:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:12:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:12:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2018-10-27 06:12:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2018-10-27 06:12:05,264 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:12:05,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:05 BoogieIcfgContainer [2018-10-27 06:12:05,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:12:05,266 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:12:05,266 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:12:05,270 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:12:05,271 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:05,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:12:04" (1/3) ... [2018-10-27 06:12:05,273 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50c39c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:05, skipping insertion in model container [2018-10-27 06:12:05,273 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:05,273 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:04" (2/3) ... [2018-10-27 06:12:05,274 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50c39c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:05, skipping insertion in model container [2018-10-27 06:12:05,274 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:05,274 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:05" (3/3) ... [2018-10-27 06:12:05,276 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum_15x0_true-unreach-call_true-termination.c [2018-10-27 06:12:05,338 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:12:05,338 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:12:05,338 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:12:05,338 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:12:05,339 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:12:05,339 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:12:05,339 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:12:05,339 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:12:05,339 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:12:05,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-10-27 06:12:05,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-10-27 06:12:05,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:05,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:05,387 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-10-27 06:12:05,387 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-10-27 06:12:05,387 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:12:05,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-10-27 06:12:05,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-10-27 06:12:05,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:05,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:05,390 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-10-27 06:12:05,390 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-10-27 06:12:05,398 INFO L793 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~a~0, main_~b~0, main_~result~0;main_~a~0 := 15;main_~b~0 := 0; 16#L14true call main_#t~ret1 := sum(main_~a~0, main_~b~0);< 9#sumENTRYtrue [2018-10-27 06:12:05,399 INFO L795 eck$LassoCheckResult]: Loop: 9#sumENTRYtrue ~n := #in~n;~m := #in~m; 6#L4true assume !(~n <= 0); 7#L7true call #t~ret0 := sum(~n - 1, ~m + 1);< 9#sumENTRYtrue [2018-10-27 06:12:05,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:05,404 INFO L82 PathProgramCache]: Analyzing trace with hash 29876, now seen corresponding path program 1 times [2018-10-27 06:12:05,405 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:05,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:05,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:05,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:05,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:05,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:05,507 INFO L82 PathProgramCache]: Analyzing trace with hash 44820, now seen corresponding path program 1 times [2018-10-27 06:12:05,508 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:05,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:05,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:05,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:05,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:05,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:05,522 INFO L82 PathProgramCache]: Analyzing trace with hash 890050945, now seen corresponding path program 1 times [2018-10-27 06:12:05,522 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:05,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:05,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:05,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:05,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:05,691 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 06:12:05,838 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:12:05,839 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:12:05,839 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:12:05,839 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:12:05,839 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:12:05,840 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:05,840 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:12:05,840 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:12:05,840 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum_15x0_true-unreach-call_true-termination.c_Iteration1_Loop [2018-10-27 06:12:05,840 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:12:05,841 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:12:05,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:05,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:05,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:05,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:05,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:05,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,104 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:12:06,105 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/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) [2018-10-27 06:12:06,115 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:12:06,116 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:06,138 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:12:06,138 INFO L446 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_17d5bf80-f2bc-439f-8402-b545c3b716e5/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) [2018-10-27 06:12:06,179 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:12:06,179 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:06,194 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:12:06,195 INFO L446 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_17d5bf80-f2bc-439f-8402-b545c3b716e5/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) [2018-10-27 06:12:06,233 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:12:06,233 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17d5bf80-f2bc-439f-8402-b545c3b716e5/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 [2018-10-27 06:12:06,287 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:12:06,287 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:12:06,318 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:12:06,320 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:12:06,320 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:12:06,321 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:12:06,321 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:12:06,321 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:12:06,321 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:06,321 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:12:06,321 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:12:06,323 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum_15x0_true-unreach-call_true-termination.c_Iteration1_Loop [2018-10-27 06:12:06,323 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:12:06,323 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:12:06,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:06,495 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:12:06,499 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:12:06,500 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 [2018-10-27 06:12:06,502 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:06,502 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:06,502 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:06,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:06,503 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:06,504 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:06,505 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:06,510 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:06,510 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 [2018-10-27 06:12:06,511 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:06,511 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:06,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:06,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:06,512 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:06,512 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:06,512 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:06,515 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:06,516 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 [2018-10-27 06:12:06,517 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:06,517 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:06,517 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:06,517 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:06,517 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:06,518 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:06,518 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:06,526 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:12:06,530 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:12:06,530 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:12:06,532 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:12:06,532 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:12:06,533 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:12:06,533 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(sum_#in~n) = 1*sum_#in~n Supporting invariants [] [2018-10-27 06:12:06,535 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:12:06,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:06,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:06,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:12:06,741 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 [2018-10-27 06:12:06,742 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2018-10-27 06:12:06,827 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 30 states and 35 transitions. Complement of second has 12 states. [2018-10-27 06:12:06,828 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 [2018-10-27 06:12:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:12:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2018-10-27 06:12:06,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2018-10-27 06:12:06,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:12:06,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2018-10-27 06:12:06,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:12:06,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2018-10-27 06:12:06,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:12:06,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2018-10-27 06:12:06,838 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:12:06,840 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2018-10-27 06:12:06,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:12:06,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:12:06,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:12:06,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:12:06,842 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:12:06,843 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:12:06,843 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:12:06,843 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:12:06,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:12:06,843 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:12:06,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:12:06,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:12:06 BoogieIcfgContainer [2018-10-27 06:12:06,849 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:12:06,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:12:06,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:12:06,850 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:12:06,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:05" (3/4) ... [2018-10-27 06:12:06,853 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:12:06,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:12:06,854 INFO L168 Benchmark]: Toolchain (without parser) took 2241.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 962.5 MB in the beginning and 1.1 GB in the end (delta: -103.6 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:06,855 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:12:06,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.33 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 950.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:06,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.84 ms. Allocated memory is still 1.0 GB. Free memory is still 950.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:12:06,857 INFO L168 Benchmark]: Boogie Preprocessor took 17.10 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 945.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:06,857 INFO L168 Benchmark]: RCFGBuilder took 385.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 945.0 MB in the beginning and 1.2 GB in the end (delta: -206.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:06,858 INFO L168 Benchmark]: BuchiAutomizer took 1583.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 85.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:06,859 INFO L168 Benchmark]: Witness Printer took 3.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:12:06,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 215.33 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 950.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.84 ms. Allocated memory is still 1.0 GB. Free memory is still 950.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.10 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 945.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 385.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 945.0 MB in the beginning and 1.2 GB in the end (delta: -206.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1583.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 85.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 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 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 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: 5 SDtfs, 9 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: 9ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...