./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/Addition01-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursive/Addition01-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91d2600fad1210650d8ad3da481cdcc11b280095 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:43:08,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:43:08,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:43:08,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:43:08,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:43:08,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:43:08,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:43:08,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:43:08,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:43:08,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:43:08,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:43:08,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:43:08,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:43:08,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:43:08,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:43:08,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:43:08,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:43:08,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:43:08,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:43:09,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:43:09,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:43:09,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:43:09,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:43:09,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:43:09,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:43:09,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:43:09,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:43:09,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:43:09,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:43:09,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:43:09,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:43:09,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:43:09,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:43:09,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:43:09,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:43:09,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:43:09,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:43:09,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:43:09,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:43:09,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:43:09,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:43:09,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:43:09,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:43:09,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:43:09,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:43:09,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:43:09,065 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:43:09,066 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:43:09,066 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:43:09,066 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:43:09,066 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:43:09,066 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:43:09,067 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:43:09,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:43:09,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:43:09,067 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:43:09,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:43:09,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:43:09,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:43:09,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:43:09,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:43:09,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:43:09,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:43:09,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:43:09,069 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:43:09,069 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:43:09,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:43:09,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:43:09,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:43:09,070 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:43:09,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:43:09,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:43:09,071 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:43:09,072 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:43:09,072 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d2600fad1210650d8ad3da481cdcc11b280095 [2019-11-28 03:43:09,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:43:09,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:43:09,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:43:09,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:43:09,427 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:43:09,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition01-2.c [2019-11-28 03:43:09,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0d62b67/2de764d191134fe985469da290478d64/FLAG706e540a1 [2019-11-28 03:43:09,989 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:43:09,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c [2019-11-28 03:43:09,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0d62b67/2de764d191134fe985469da290478d64/FLAG706e540a1 [2019-11-28 03:43:10,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0d62b67/2de764d191134fe985469da290478d64 [2019-11-28 03:43:10,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:43:10,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:43:10,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:43:10,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:43:10,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:43:10,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31007272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10, skipping insertion in model container [2019-11-28 03:43:10,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:43:10,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:43:10,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:43:10,654 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:43:10,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:43:10,690 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:43:10,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10 WrapperNode [2019-11-28 03:43:10,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:43:10,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:43:10,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:43:10,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:43:10,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:43:10,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:43:10,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:43:10,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:43:10,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 03:43:10,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:43:10,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:43:10,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:43:10,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:43:10,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:43:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:43:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:43:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2019-11-28 03:43:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2019-11-28 03:43:11,062 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:43:11,063 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 03:43:11,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:11 BoogieIcfgContainer [2019-11-28 03:43:11,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:43:11,065 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:43:11,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:43:11,088 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:43:11,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:43:11,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:43:10" (1/3) ... [2019-11-28 03:43:11,093 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fb79300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:43:11, skipping insertion in model container [2019-11-28 03:43:11,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:43:11,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (2/3) ... [2019-11-28 03:43:11,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fb79300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:43:11, skipping insertion in model container [2019-11-28 03:43:11,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:43:11,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:11" (3/3) ... [2019-11-28 03:43:11,098 INFO L371 chiAutomizerObserver]: Analyzing ICFG Addition01-2.c [2019-11-28 03:43:11,174 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:43:11,174 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:43:11,174 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:43:11,175 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:43:11,175 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:43:11,175 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:43:11,175 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:43:11,176 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:43:11,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-11-28 03:43:11,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 03:43:11,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:43:11,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:43:11,225 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:43:11,225 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:43:11,225 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:43:11,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-11-28 03:43:11,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 03:43:11,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:43:11,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:43:11,229 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:43:11,230 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:43:11,236 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L28true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 19#L34true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 9#L39true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 14#additionENTRYtrue [2019-11-28 03:43:11,236 INFO L796 eck$LassoCheckResult]: Loop: 14#additionENTRYtrue ~m := #in~m;~n := #in~n; 17#L14true assume !(0 == ~n); 12#L17true assume ~n > 0; 11#L18true call #t~ret0 := addition(1 + ~m, ~n - 1);< 14#additionENTRYtrue [2019-11-28 03:43:11,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:11,243 INFO L82 PathProgramCache]: Analyzing trace with hash 959461, now seen corresponding path program 1 times [2019-11-28 03:43:11,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:43:11,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603126045] [2019-11-28 03:43:11,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:43:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:11,354 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:43:11,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:11,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1666418, now seen corresponding path program 1 times [2019-11-28 03:43:11,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:43:11,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872704270] [2019-11-28 03:43:11,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:43:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:11,374 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:43:11,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:11,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1319862102, now seen corresponding path program 1 times [2019-11-28 03:43:11,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:43:11,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537155598] [2019-11-28 03:43:11,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:43:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:11,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:43:11,566 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:43:11,568 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:43:11,568 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:43:11,569 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:43:11,569 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:43:11,569 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:11,569 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:43:11,569 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:43:11,569 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2019-11-28 03:43:11,570 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:43:11,570 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:43:11,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,717 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:43:11,719 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:43:11,727 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:11,727 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:11,735 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:11,736 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:43:11,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:11,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:11,753 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:11,753 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:11,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:11,764 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:11,768 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:11,768 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:43:11,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:11,788 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:11,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:43:11,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:11,824 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:11,824 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=4}, {addition_#in~m=0}, {addition_#in~m=-3}] Lambdas: [1, 5, 1] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:11,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:11,848 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:11,853 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:11,853 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:11,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:11,869 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:11,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:43:11,890 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:11,905 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:43:11,910 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:43:11,911 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:43:11,911 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:43:11,911 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:43:11,912 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:43:11,912 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:11,912 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:43:11,912 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:43:11,912 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2019-11-28 03:43:11,913 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:43:11,913 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:43:11,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:11,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:12,001 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:43:12,007 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:12,029 INFO L120 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 [2019-11-28 03:43:12,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:12,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:12,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:12,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:12,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:12,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:12,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,057 INFO L120 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 [2019-11-28 03:43:12,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:12,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:12,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:12,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:12,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:12,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:12,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:43:12,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,074 INFO L120 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 [2019-11-28 03:43:12,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:12,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:12,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:12,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:12,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:12,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:12,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:43:12,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:12,089 INFO L120 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 [2019-11-28 03:43:12,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:12,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:12,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:12,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:12,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:12,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:43:12,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,106 INFO L120 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 [2019-11-28 03:43:12,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:12,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:12,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:12,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:12,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:12,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:12,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:43:12,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:12,124 INFO L120 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 [2019-11-28 03:43:12,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:12,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:12,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:12,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:12,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:12,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:43:12,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,155 INFO L120 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 [2019-11-28 03:43:12,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:12,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:12,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:12,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:12,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:12,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:12,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:43:12,164 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:43:12,170 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:43:12,171 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:12,189 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:43:12,189 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:43:12,190 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:43:12,190 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2019-11-28 03:43:12,199 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:43:12,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:43:12,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:43:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:43:12,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 03:43:12,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:43:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:43:12,352 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 [2019-11-28 03:43:12,354 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 4 states. [2019-11-28 03:43:12,511 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 4 states. Result 53 states and 72 transitions. Complement of second has 12 states. [2019-11-28 03:43:12,512 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 [2019-11-28 03:43:12,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:43:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-11-28 03:43:12,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-28 03:43:12,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:43:12,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-28 03:43:12,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:43:12,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 8 letters. [2019-11-28 03:43:12,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:43:12,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 72 transitions. [2019-11-28 03:43:12,528 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 03:43:12,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 26 states and 29 transitions. [2019-11-28 03:43:12,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-28 03:43:12,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-28 03:43:12,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2019-11-28 03:43:12,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:43:12,538 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-11-28 03:43:12,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2019-11-28 03:43:12,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 17. [2019-11-28 03:43:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 03:43:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-28 03:43:12,571 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-28 03:43:12,571 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-28 03:43:12,571 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:43:12,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-28 03:43:12,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 03:43:12,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:43:12,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:43:12,576 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:43:12,576 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:43:12,576 INFO L794 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 143#L28 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 146#L34 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 136#L39 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 137#additionENTRY ~m := #in~m;~n := #in~n; 139#L14 assume !(0 == ~n); 144#L17 assume !(~n > 0); 132#L20 [2019-11-28 03:43:12,577 INFO L796 eck$LassoCheckResult]: Loop: 132#L20 assume ~n < 0; 134#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 141#additionENTRY ~m := #in~m;~n := #in~n; 148#L14 assume !(0 == ~n); 147#L17 assume !(~n > 0); 132#L20 [2019-11-28 03:43:12,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:12,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1481444455, now seen corresponding path program 1 times [2019-11-28 03:43:12,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:43:12,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065982416] [2019-11-28 03:43:12,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:43:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:43:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:43:12,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065982416] [2019-11-28 03:43:12,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:43:12,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:43:12,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328615660] [2019-11-28 03:43:12,709 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:43:12,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:12,710 INFO L82 PathProgramCache]: Analyzing trace with hash 64193780, now seen corresponding path program 1 times [2019-11-28 03:43:12,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:43:12,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783635575] [2019-11-28 03:43:12,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:43:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:12,722 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:43:12,847 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:43:12,847 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:43:12,847 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:43:12,847 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:43:12,847 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:43:12,847 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,848 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:43:12,848 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:43:12,848 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2019-11-28 03:43:12,848 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:43:12,848 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:43:12,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:12,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:12,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:12,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:12,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:12,963 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:43:12,963 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:12,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:12,979 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:12,983 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:12,984 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:12,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:12,995 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:13,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:43:13,025 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:13,233 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:13,233 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-4, addition_~m=3} Honda state: {addition_#in~m=-4, addition_~m=3} Generalized eigenvectors: [{addition_#in~m=7, addition_~m=0}, {addition_#in~m=5, addition_~m=-1}, {addition_#in~m=-6, addition_~m=0}] Lambdas: [0, 1, 0] Nus: [0, 1] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:13,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:13,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:13,254 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:13,254 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:13,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:13,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:13,270 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:13,270 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:13,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:13,279 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:13,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:43:13,297 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:25,321 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-11-28 03:43:25,323 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:43:25,323 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:43:25,323 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:43:25,324 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:43:25,324 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:43:25,324 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:25,324 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:43:25,324 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:43:25,324 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2019-11-28 03:43:25,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:43:25,325 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:43:25,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:25,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:25,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:25,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:25,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:25,431 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:43:25,433 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:25,438 INFO L120 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 [2019-11-28 03:43:25,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:25,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:25,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:25,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:25,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:25,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:25,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:25,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:25,458 INFO L120 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 [2019-11-28 03:43:25,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:25,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:25,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:25,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:25,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:25,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:25,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:25,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:25,483 INFO L120 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 [2019-11-28 03:43:25,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:25,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:25,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:25,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:25,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:25,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:25,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:25,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:25,520 INFO L120 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 [2019-11-28 03:43:25,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:25,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:25,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:25,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:25,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:25,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:25,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:25,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:25,535 INFO L120 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 [2019-11-28 03:43:25,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:25,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:25,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:25,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:25,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:25,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:25,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:25,550 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:43:25,553 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-28 03:43:25,553 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:25,559 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:43:25,559 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:43:25,560 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:43:25,560 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:25,571 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:43:25,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:43:25,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:43:25,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:43:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:43:25,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 03:43:25,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:43:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:43:25,654 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 [2019-11-28 03:43:25,655 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 5 states. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 03:43:25,731 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 31 states and 36 transitions. Complement of second has 13 states. [2019-11-28 03:43:25,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 03:43:25,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:43:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-11-28 03:43:25,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 5 letters. [2019-11-28 03:43:25,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:43:25,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2019-11-28 03:43:25,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:43:25,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 10 letters. [2019-11-28 03:43:25,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:43:25,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2019-11-28 03:43:25,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 03:43:25,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 35 transitions. [2019-11-28 03:43:25,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-28 03:43:25,746 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-28 03:43:25,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 35 transitions. [2019-11-28 03:43:25,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:43:25,748 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-11-28 03:43:25,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 35 transitions. [2019-11-28 03:43:25,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2019-11-28 03:43:25,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 03:43:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-11-28 03:43:25,752 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-11-28 03:43:25,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:43:25,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:43:25,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:43:25,755 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 6 states. [2019-11-28 03:43:25,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:43:25,810 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-11-28 03:43:25,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 03:43:25,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2019-11-28 03:43:25,812 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:43:25,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2019-11-28 03:43:25,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:43:25,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:43:25,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:43:25,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:43:25,812 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:43:25,812 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:43:25,812 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:43:25,813 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:43:25,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:43:25,813 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:43:25,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:43:25,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:43:25 BoogieIcfgContainer [2019-11-28 03:43:25,820 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:43:25,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:43:25,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:43:25,821 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:43:25,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:11" (3/4) ... [2019-11-28 03:43:25,825 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:43:25,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:43:25,828 INFO L168 Benchmark]: Toolchain (without parser) took 15400.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:43:25,829 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:43:25,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.91 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:25,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:25,831 INFO L168 Benchmark]: Boogie Preprocessor took 22.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:25,832 INFO L168 Benchmark]: RCFGBuilder took 261.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:25,833 INFO L168 Benchmark]: BuchiAutomizer took 14754.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:25,833 INFO L168 Benchmark]: Witness Printer took 5.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:43:25,838 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.91 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 261.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14754.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 13.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 27 SDtfs, 44 SDslu, 10 SDs, 0 SdLazy, 58 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf93 smp87 dnf100 smp100 tf111 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...