./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/sum_20x0-2.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_20x0-2.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 f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:08:04,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:08:04,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:08:04,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:08:04,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:08:04,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:08:04,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:08:04,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:08:04,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:08:04,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:08:04,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:08:04,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:08:04,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:08:04,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:08:04,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:08:04,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:08:04,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:08:04,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:08:04,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:08:04,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:08:04,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:08:04,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:08:04,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:08:04,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:08:04,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:08:04,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:08:04,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:08:04,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:08:04,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:08:04,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:08:04,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:08:04,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:08:04,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:08:04,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:08:04,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:08:04,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:08:04,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:08:04,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:08:04,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:08:04,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:08:04,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:08:04,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:08:04,137 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:08:04,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:08:04,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:08:04,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:08:04,139 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:08:04,140 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:08:04,140 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:08:04,140 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:08:04,140 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:08:04,141 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:08:04,141 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:08:04,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:08:04,142 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:08:04,142 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:08:04,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:08:04,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:08:04,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:08:04,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:08:04,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:08:04,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:08:04,144 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:08:04,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:08:04,144 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:08:04,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:08:04,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:08:04,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:08:04,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:08:04,146 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:08:04,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:08:04,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:08:04,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:08:04,147 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:08:04,148 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:08:04,148 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 -> f4078ef7bc39da0337b6d8ed5ecbbcec336a37b8 [2020-07-29 03:08:04,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:08:04,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:08:04,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:08:04,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:08:04,460 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:08:04,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2020-07-29 03:08:04,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5ff0f41/91930c1d974849aa967f3fc01f5d8893/FLAGd91fa29ed [2020-07-29 03:08:04,980 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:08:04,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2020-07-29 03:08:04,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5ff0f41/91930c1d974849aa967f3fc01f5d8893/FLAGd91fa29ed [2020-07-29 03:08:05,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5ff0f41/91930c1d974849aa967f3fc01f5d8893 [2020-07-29 03:08:05,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:08:05,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:08:05,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:08:05,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:08:05,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:08:05,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39164952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05, skipping insertion in model container [2020-07-29 03:08:05,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:08:05,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:08:05,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:08:05,599 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:08:05,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:08:05,630 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:08:05,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05 WrapperNode [2020-07-29 03:08:05,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:08:05,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:08:05,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:08:05,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:08:05,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:08:05,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:08:05,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:08:05,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:08:05,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (1/1) ... [2020-07-29 03:08:05,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:08:05,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:08:05,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:08:05,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:08:05,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (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 03:08:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:08:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:08:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-07-29 03:08:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-07-29 03:08:06,052 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:08:06,053 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 03:08:06,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:08:06 BoogieIcfgContainer [2020-07-29 03:08:06,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:08:06,073 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:08:06,077 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:08:06,085 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:08:06,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:08:06,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:08:05" (1/3) ... [2020-07-29 03:08:06,089 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d6d1a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:08:06, skipping insertion in model container [2020-07-29 03:08:06,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:08:06,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:08:05" (2/3) ... [2020-07-29 03:08:06,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d6d1a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:08:06, skipping insertion in model container [2020-07-29 03:08:06,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:08:06,090 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 03:08:06,093 INFO L371 chiAutomizerObserver]: Analyzing ICFG sum_20x0-2.c [2020-07-29 03:08:06,150 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:08:06,150 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:08:06,150 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:08:06,151 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:08:06,151 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:08:06,151 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:08:06,151 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:08:06,151 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:08:06,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:08:06,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:06,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:08:06,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:08:06,202 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:08:06,202 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:08:06,202 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:08:06,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:08:06,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:06,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:08:06,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:08:06,207 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:08:06,207 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:08:06,214 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~a~0, main_~b~0, main_~result~0;main_~a~0 := 20;main_~b~0 := 0; 15#L14true call main_#t~ret1 := sum(main_~a~0, main_~b~0);< 8#sumENTRYtrue [2020-07-29 03:08:06,215 INFO L796 eck$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 03:08:06,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:08:06,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2020-07-29 03:08:06,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:08:06,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218657317] [2020-07-29 03:08:06,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:08:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:06,309 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:06,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:06,347 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:08:06,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:08:06,348 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2020-07-29 03:08:06,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:08:06,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033401817] [2020-07-29 03:08:06,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:08:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:06,372 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:06,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:06,392 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:08:06,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:08:06,398 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2020-07-29 03:08:06,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:08:06,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095210698] [2020-07-29 03:08:06,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:08:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:06,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:08:06,427 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:08:06,429 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:08:06,644 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:08:06,645 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:08:06,645 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:08:06,646 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:08:06,646 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:08:06,646 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:06,646 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:08:06,647 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:08:06,647 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_20x0-2.c_Iteration1_Loop [2020-07-29 03:08:06,647 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:08:06,648 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:08:06,676 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 03:08:06,690 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 03:08:06,698 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 03:08:06,717 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 03:08:06,722 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 03:08:06,729 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 03:08:06,897 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:08:06,898 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 03:08:06,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:08:06,905 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 03:08:06,915 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:08:06,916 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 03:08:06,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:08:06,953 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 03:08:06,958 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:08:06,958 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:06,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:08:06,982 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-07-29 03:08:07,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:08:07,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:08:07,060 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 03:08:07,062 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:08:07,062 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:08:07,062 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:08:07,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:08:07,063 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 03:08:07,063 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:07,063 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:08:07,064 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:08:07,064 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_20x0-2.c_Iteration1_Loop [2020-07-29 03:08:07,064 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:08:07,064 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:08:07,076 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 03:08:07,082 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 03:08:07,091 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 03:08:07,102 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 03:08:07,114 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 03:08:07,121 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 03:08:07,278 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:08:07,284 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:07,293 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 03:08:07,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:08:07,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:08:07,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:08:07,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:08:07,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:08:07,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:08:07,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:08:07,308 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:07,362 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 03:08:07,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:08:07,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:08:07,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:08:07,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:08:07,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:08:07,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:08:07,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:08:07,372 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) [2020-07-29 03:08:07,424 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 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:08:07,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:08:07,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:08:07,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:08:07,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:08:07,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:08:07,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:08:07,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:08:07,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 03:08:07,438 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 03:08:07,438 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 03:08:07,447 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 03:08:07,447 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 03:08:07,448 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 03:08:07,448 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 03:08:07,492 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 03:08:07,496 INFO L393 LassoCheck]: Loop: "~n := #in~n;~m := #in~m;" "assume !(~n <= 0);" "call #t~ret0 := sum(~n - 1, 1 + ~m);"< [2020-07-29 03:08:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:07,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:08:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:07,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 03:08:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:07,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:08:07,573 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 := 20;main_~b~0 := 0; {24#unseeded} is VALID [2020-07-29 03:08:07,576 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 03:08:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:07,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-29 03:08:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:08:07,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:08:07,666 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 03:08:07,667 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 03:08:07,669 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 03:08:07,670 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 03:08:07,681 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 03:08:07,696 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 03:08:07,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:07,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,708 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 03:08:07,710 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2020-07-29 03:08:07,893 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 03:08:07,894 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 03:08:07,894 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:08:07,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:08:07,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:07,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:08:07,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:08:07,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 03:08:07,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:07,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:08:07,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:08:07,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2020-07-29 03:08:07,902 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:08:07,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:08:07,904 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 14 states. [2020-07-29 03:08:07,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:07,908 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 03:08:07,908 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 03:08:07,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:08:07,910 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:08:07,910 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:08:07,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:08:07,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:08:07,911 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 03:08:07,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:07,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:07,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,912 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 03:08:07,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:07,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:07,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,914 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 03:08:07,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:08:07,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:08:07,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,915 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 03:08:07,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:08:07,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:08:07,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,916 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 03:08:07,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 03:08:07,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 03:08:07,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,917 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 03:08:07,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:08:07,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:08:07,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,919 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 03:08:07,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:08:07,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:08:07,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,921 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 03:08:07,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:07,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:07,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,922 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 03:08:07,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:07,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 03:08:07,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,924 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 03:08:07,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,924 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:08:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 03:08:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2020-07-29 03:08:07,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:08:07,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 03:08:07,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2020-07-29 03:08:07,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:08:07,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:08:07,937 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:08:07,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-07-29 03:08:07,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 03:08:07,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 03:08:07,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 03:08:07,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:08:07,943 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:08:07,943 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:08:07,944 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:08:07,944 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 03:08:07,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 03:08:07,944 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:08:07,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:08:07,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 03:08:07 BoogieIcfgContainer [2020-07-29 03:08:07,953 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 03:08:07,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 03:08:07,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 03:08:07,954 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 03:08:07,954 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 03:08:07,958 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 03:08:07,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 03:08:07,963 INFO L168 Benchmark]: Toolchain (without parser) took 2574.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 956.2 MB in the beginning and 928.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 162.3 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:07,963 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:08:07,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.08 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:07,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.02 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:08:07,966 INFO L168 Benchmark]: Boogie Preprocessor took 73.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:07,966 INFO L168 Benchmark]: RCFGBuilder took 334.71 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:07,967 INFO L168 Benchmark]: BuchiAutomizer took 1880.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.1 MB in the end (delta: 183.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. [2020-07-29 03:08:07,968 INFO L168 Benchmark]: Witness Printer took 5.43 ms. Allocated memory is still 1.2 GB. Free memory is still 928.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:08:07,972 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 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 242.08 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 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 31.02 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 334.71 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1880.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.1 MB in the end (delta: 183.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.43 ms. Allocated memory is still 1.2 GB. Free memory is still 928.1 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 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 23ms 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...