./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/sum_2x3-1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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-simple/sum_2x3-1.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 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 03:08:04,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:08:04,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:08:04,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:08:04,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:08:04,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:08:04,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:08:04,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:08:04,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:08:05,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:08:05,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:08:05,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:08:05,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:08:05,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:08:05,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:08:05,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:08:05,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:08:05,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:08:05,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:08:05,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:08:05,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:08:05,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:08:05,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:08:05,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:08:05,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:08:05,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:08:05,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:08:05,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:08:05,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:08:05,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:08:05,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:08:05,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:08:05,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:08:05,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:08:05,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:08:05,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:08:05,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:08:05,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:08:05,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:08:05,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:08:05,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:08:05,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:08:05,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:08:05,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:08:05,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:08:05,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:08:05,084 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:08:05,085 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:08:05,085 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:08:05,085 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:08:05,085 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:08:05,086 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:08:05,087 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:08:05,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:08:05,088 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:08:05,088 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:08:05,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:08:05,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:08:05,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:08:05,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:08:05,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:08:05,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:08:05,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:08:05,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:08:05,091 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:08:05,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:08:05,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:08:05,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:08:05,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:08:05,092 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:08:05,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:08:05,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:08:05,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:08:05,094 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:08:05,096 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:08:05,096 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 -> 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f [2020-07-29 03:08:05,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:08:05,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:08:05,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:08:05,427 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:08:05,428 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:08:05,429 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2020-07-29 03:08:05,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75adbb3c6/f2cc79b1f76748ed8cf36fd5b644a47c/FLAGa8af38ed7 [2020-07-29 03:08:05,949 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:08:05,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2020-07-29 03:08:05,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75adbb3c6/f2cc79b1f76748ed8cf36fd5b644a47c/FLAGa8af38ed7 [2020-07-29 03:08:06,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75adbb3c6/f2cc79b1f76748ed8cf36fd5b644a47c [2020-07-29 03:08:06,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:08:06,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:08:06,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:08:06,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:08:06,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:08:06,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2259f1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06, skipping insertion in model container [2020-07-29 03:08:06,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:08:06,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:08:06,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:08:06,574 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:08:06,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:08:06,608 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:08:06,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06 WrapperNode [2020-07-29 03:08:06,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:08:06,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:08:06,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:08:06,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:08:06,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:08:06,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:08:06,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:08:06,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:08:06,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (1/1) ... [2020-07-29 03:08:06,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:08:06,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:08:06,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:08:06,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:08:06,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (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 [2020-07-29 03:08:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:08:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:08:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-07-29 03:08:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-07-29 03:08:06,988 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:08:06,988 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 03:08:06,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:08:06 BoogieIcfgContainer [2020-07-29 03:08:06,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:08:06,995 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:08:06,995 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:08:07,001 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:08:07,002 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:08:07,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:08:06" (1/3) ... [2020-07-29 03:08:07,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14197c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:08:07, skipping insertion in model container [2020-07-29 03:08:07,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:08:07,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:06" (2/3) ... [2020-07-29 03:08:07,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14197c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:08:07, skipping insertion in model container [2020-07-29 03:08:07,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:08:07,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:08:06" (3/3) ... [2020-07-29 03:08:07,009 INFO L371 chiAutomizerObserver]: Analyzing ICFG sum_2x3-1.c [2020-07-29 03:08:07,072 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:08:07,073 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:08:07,073 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:08:07,073 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:08:07,074 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:08:07,074 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:08:07,074 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:08:07,075 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:08:07,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:08:07,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:07,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:08:07,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:08:07,143 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:08:07,144 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:08:07,144 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:08:07,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:08:07,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:07,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:08:07,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:08:07,149 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:08:07,150 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:08:07,157 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~a~0, main_~b~0, main_~result~0;main_~a~0 := 2;main_~b~0 := 3; 15#L14true call main_#t~ret1 := sum(main_~a~0, main_~b~0);< 8#sumENTRYtrue [2020-07-29 03:08:07,158 INFO L796 eck$LassoCheckResult]: Loop: 8#sumENTRYtrue ~n := #in~n;~m := #in~m; 6#L4true assume !(~n <= 0); 7#L7true call #t~ret0 := sum(~n - 1, 1 + ~m);< 8#sumENTRYtrue [2020-07-29 03:08:07,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:08:07,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2020-07-29 03:08:07,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:08:07,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895410959] [2020-07-29 03:08:07,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:08:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:07,244 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:07,251 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:07,268 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:08:07,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:08:07,270 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2020-07-29 03:08:07,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:08:07,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916275022] [2020-07-29 03:08:07,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:08:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:07,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:07,285 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:07,287 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:08:07,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:08:07,289 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2020-07-29 03:08:07,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:08:07,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689679305] [2020-07-29 03:08:07,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:08:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:07,302 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:07,313 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:07,316 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:08:07,507 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:08:07,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:08:07,509 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:08:07,509 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:08:07,509 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:08:07,509 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:07,510 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:08:07,510 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:08:07,510 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_2x3-1.c_Iteration1_Loop [2020-07-29 03:08:07,510 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:08:07,511 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:08:07,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:07,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:07,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:07,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:07,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:07,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:07,757 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:08:07,758 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) [2020-07-29 03:08:07,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:08:07,771 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:07,781 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:08:07,781 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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) [2020-07-29 03:08:07,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:08:07,832 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:07,836 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:08:07,836 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~m=0} Honda state: {sum_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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) [2020-07-29 03:08:07,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:08:07,876 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 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) [2020-07-29 03:08:07,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:08:07,916 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:07,957 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 03:08:07,959 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:08:07,959 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:08:07,959 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:08:07,959 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:08:07,960 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 03:08:07,960 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:07,960 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:08:07,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:08:07,962 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_2x3-1.c_Iteration1_Loop [2020-07-29 03:08:07,962 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:08:07,962 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:08:07,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:07,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:07,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:07,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:08,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:08,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:08:08,175 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:08:08,181 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-07-29 03:08:08,195 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 [2020-07-29 03:08:08,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:08:08,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:08:08,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:08:08,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:08:08,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:08:08,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:08:08,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:08,208 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:08:08,260 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 [2020-07-29 03:08:08,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:08:08,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:08:08,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:08:08,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:08:08,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:08:08,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:08:08,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:08,270 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 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 [2020-07-29 03:08:08,311 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 [2020-07-29 03:08:08,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:08:08,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:08:08,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:08:08,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:08:08,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:08:08,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:08:08,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:08:08,320 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 03:08:08,327 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 03:08:08,327 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:08:08,333 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 03:08:08,333 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 03:08:08,333 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 03:08:08,334 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(sum_#in~n) = 1*sum_#in~n Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:08,373 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 03:08:08,377 INFO L393 LassoCheck]: Loop: "~n := #in~n;~m := #in~m;" "assume !(~n <= 0);" "call #t~ret0 := sum(~n - 1, 1 + ~m);"< [2020-07-29 03:08:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:08,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:08:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:08,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 03:08:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:08,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:08:08,458 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#unseeded} havoc main_#res;havoc main_#t~ret1, main_~a~0, main_~b~0, main_~result~0;main_~a~0 := 2;main_~b~0 := 3; {24#unseeded} is VALID [2020-07-29 03:08:08,460 INFO L263 TraceCheckUtils]: 1: Hoare triple {24#unseeded} call main_#t~ret1 := sum(main_~a~0, main_~b~0); {24#unseeded} is VALID [2020-07-29 03:08:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:08,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-29 03:08:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:08,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:08:08,580 INFO L280 TraceCheckUtils]: 0: Hoare triple {27#(>= oldRank0 |sum_#in~n|)} ~n := #in~n;~m := #in~m; {45#(<= sum_~n oldRank0)} is VALID [2020-07-29 03:08:08,582 INFO L280 TraceCheckUtils]: 1: Hoare triple {45#(<= sum_~n oldRank0)} assume !(~n <= 0); {49#(and (<= sum_~n oldRank0) (< 0 sum_~n))} is VALID [2020-07-29 03:08:08,584 INFO L263 TraceCheckUtils]: 2: Hoare triple {49#(and (<= sum_~n oldRank0) (< 0 sum_~n))} call #t~ret0 := sum(~n - 1, 1 + ~m); {37#(or (and (> oldRank0 |sum_#in~n|) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 03:08:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 03:08:08,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 03:08:08,613 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 03:08:08,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:08,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,626 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 [2020-07-29 03:08:08,628 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2020-07-29 03:08:08,852 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 29 states and 34 transitions. Complement of second has 12 states. [2020-07-29 03:08:08,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 03:08:08,853 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:08:08,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:08:08,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:08,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:08:08,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:08:08,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 03:08:08,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:08,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:08:08,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:08:08,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2020-07-29 03:08:08,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:08:08,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:08:08,864 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 14 states. [2020-07-29 03:08:08,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:08,869 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 03:08:08,869 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 03:08:08,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:08,871 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:08:08,871 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:08:08,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:08:08,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:08:08,872 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 03:08:08,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:08,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:08,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:08,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:08,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:08,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:08,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:08:08,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:08:08,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:08:08,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:08:08,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:08:08,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:08:08,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 03:08:08,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 03:08:08,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 4 letters. [2020-07-29 03:08:08,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:08:08,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:08:08,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:08:08,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:08:08,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:08:08,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:08:08,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:08,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:08,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:08,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:08,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:08,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:08,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,893 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:08:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 03:08:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2020-07-29 03:08:08,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:08,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 03:08:08,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2020-07-29 03:08:08,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:08,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:08:08,905 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:08:08,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-07-29 03:08:08,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 03:08:08,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 03:08:08,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 03:08:08,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:08:08,911 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:08:08,911 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:08:08,912 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:08:08,912 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 03:08:08,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 03:08:08,912 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:08:08,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:08:08,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 03:08:08 BoogieIcfgContainer [2020-07-29 03:08:08,920 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 03:08:08,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 03:08:08,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 03:08:08,921 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 03:08:08,921 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:08:06" (3/4) ... [2020-07-29 03:08:08,925 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 03:08:08,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 03:08:08,929 INFO L168 Benchmark]: Toolchain (without parser) took 2577.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 961.6 MB in the beginning and 935.7 MB in the end (delta: 25.8 MB). Peak memory consumption was 172.1 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:08,930 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:08:08,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:08,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.26 ms. Allocated memory is still 1.0 GB. Free memory is still 950.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:08:08,933 INFO L168 Benchmark]: Boogie Preprocessor took 71.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:08,934 INFO L168 Benchmark]: RCFGBuilder took 277.99 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:08,935 INFO L168 Benchmark]: BuchiAutomizer took 1925.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.7 MB in the end (delta: 187.4 MB). Peak memory consumption was 187.4 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:08,935 INFO L168 Benchmark]: Witness Printer took 5.52 ms. Allocated memory is still 1.2 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:08:08,940 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 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 34.26 ms. Allocated memory is still 1.0 GB. Free memory is still 950.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 277.99 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1925.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.7 MB in the end (delta: 187.4 MB). Peak memory consumption was 187.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.52 ms. Allocated memory is still 1.2 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 18 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf93 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...