./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id_i25_o25-1.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/id_i25_o25-1.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 980109aaf5797fcdc56688cd1127831babfd66a2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:07:44,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:07:44,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:07:44,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:07:44,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:07:44,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:07:44,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:07:44,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:07:44,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:07:44,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:07:44,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:07:44,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:07:44,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:07:44,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:07:44,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:07:44,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:07:44,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:07:44,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:07:44,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:07:44,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:07:44,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:07:44,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:07:44,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:07:44,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:07:44,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:07:44,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:07:44,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:07:44,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:07:44,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:07:44,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:07:44,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:07:44,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:07:44,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:07:44,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:07:44,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:07:44,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:07:44,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:07:44,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:07:44,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:07:44,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:07:44,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:07:44,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:07:44,255 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:07:44,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:07:44,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:07:44,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:07:44,261 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:07:44,263 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:07:44,263 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:07:44,263 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:07:44,264 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:07:44,264 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:07:44,265 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:07:44,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:07:44,266 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:07:44,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:07:44,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:07:44,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:07:44,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:07:44,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:07:44,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:07:44,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:07:44,268 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:07:44,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:07:44,269 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:07:44,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:07:44,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:07:44,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:07:44,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:07:44,270 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:07:44,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:07:44,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:07:44,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:07:44,272 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:07:44,273 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:07:44,274 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 -> 980109aaf5797fcdc56688cd1127831babfd66a2 [2020-07-29 03:07:44,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:07:44,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:07:44,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:07:44,636 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:07:44,639 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:07:44,640 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2020-07-29 03:07:44,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f91b7a8d2/086900647e204d7097fc9512eb014ba0/FLAG652e3253f [2020-07-29 03:07:45,097 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:07:45,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2020-07-29 03:07:45,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f91b7a8d2/086900647e204d7097fc9512eb014ba0/FLAG652e3253f [2020-07-29 03:07:45,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f91b7a8d2/086900647e204d7097fc9512eb014ba0 [2020-07-29 03:07:45,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:07:45,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:07:45,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:45,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:07:45,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:07:45,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100bd545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45, skipping insertion in model container [2020-07-29 03:07:45,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:07:45,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:07:45,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:45,784 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:07:45,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:45,816 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:07:45,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45 WrapperNode [2020-07-29 03:07:45,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:45,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:45,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:07:45,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:07:45,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:45,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:07:45,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:07:45,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:07:45,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (1/1) ... [2020-07-29 03:07:45,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:07:45,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:07:45,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:07:45,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:07:45,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (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 03:07:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:07:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:07:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-07-29 03:07:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-07-29 03:07:46,211 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:07:46,212 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 03:07:46,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:46 BoogieIcfgContainer [2020-07-29 03:07:46,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:07:46,217 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:07:46,217 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:07:46,238 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:07:46,240 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:46,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:07:45" (1/3) ... [2020-07-29 03:07:46,242 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ed782ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:07:46, skipping insertion in model container [2020-07-29 03:07:46,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:46,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:45" (2/3) ... [2020-07-29 03:07:46,244 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ed782ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:07:46, skipping insertion in model container [2020-07-29 03:07:46,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:46,245 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:46" (3/3) ... [2020-07-29 03:07:46,248 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_i25_o25-1.c [2020-07-29 03:07:46,339 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:07:46,339 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:07:46,339 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:07:46,339 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:07:46,339 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:07:46,340 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:07:46,340 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:07:46,340 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:07:46,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:07:46,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:46,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:46,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:46,392 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:46,392 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:46,392 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:07:46,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:07:46,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:46,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:46,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:46,397 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:46,397 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:46,404 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 25; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2020-07-29 03:07:46,404 INFO L796 eck$LassoCheckResult]: Loop: 9#idENTRYtrue ~x := #in~x; 14#L5true assume !(0 == ~x); 11#L6true call #t~ret0 := id(~x - 1);< 9#idENTRYtrue [2020-07-29 03:07:46,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:46,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2020-07-29 03:07:46,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:46,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731067014] [2020-07-29 03:07:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:46,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:46,495 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:46,514 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:46,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:46,516 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2020-07-29 03:07:46,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:46,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209553505] [2020-07-29 03:07:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:46,523 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:46,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:46,530 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:46,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:46,532 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2020-07-29 03:07:46,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:46,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159309294] [2020-07-29 03:07:46,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:46,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:46,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:46,551 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:46,727 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:07:46,728 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:07:46,729 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:07:46,729 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:07:46,729 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:07:46,729 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:46,730 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:07:46,730 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:07:46,730 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i25_o25-1.c_Iteration1_Loop [2020-07-29 03:07:46,730 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:07:46,730 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:07:46,752 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 03:07:46,762 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 03:07:46,779 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 03:07:46,799 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 03:07:46,958 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:07:46,959 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 03:07:46,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:46,967 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 03:07:46,978 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:46,979 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,026 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:47,030 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:47,031 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=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 03:07:47,057 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,058 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 03:07:47,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:07:47,090 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:47,116 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:47,116 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-1} Honda state: {id_#in~x=-1} Generalized eigenvectors: [{id_#in~x=0}, {id_#in~x=0}, {id_#in~x=-1}] Lambdas: [13, 0, 1] Nus: [0, 0] 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 03:07:47,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:47,152 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:47,153 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-07-29 03:07:47,226 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:07:47,226 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:07:47,226 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:07:47,226 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:07:47,227 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:07:47,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:07:47,228 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:07:47,228 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i25_o25-1.c_Iteration1_Lasso [2020-07-29 03:07:47,228 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:07:47,228 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:07:47,236 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 03:07:47,242 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 03:07:47,252 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 03:07:47,258 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 03:07:47,263 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 03:07:47,268 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 03:07:47,273 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 03:07:47,286 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 03:07:47,292 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 03:07:47,495 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:07:47,496 INFO L404 LassoAnalysis]: Checking for nontermination... 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 03:07:47,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,500 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,505 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:47,505 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:07:47,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,550 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,554 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:47,554 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_#t~ret2=0} Honda state: {ULTIMATE.start_#t~ret2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 03:07:47,606 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,606 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,612 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:47,612 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:07:47,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,663 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,670 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:47,670 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1=0} Honda state: {ULTIMATE.start_main_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:07:47,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,710 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,713 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:47,714 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,757 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:47,760 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:47,761 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~result~0=0} Honda state: {ULTIMATE.start_main_~result~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,798 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:47,798 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:07:47,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:47,869 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 03:07:47,871 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:07:47,871 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:07:47,872 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:07:47,872 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:07:47,872 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 03:07:47,872 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:47,872 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:07:47,873 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:07:47,873 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i25_o25-1.c_Iteration1_Lasso [2020-07-29 03:07:47,873 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:07:47,873 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:07:47,880 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 03:07:47,885 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 03:07:47,889 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 03:07:47,893 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 03:07:47,897 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 03:07:47,902 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 03:07:47,906 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 03:07:47,910 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 03:07:47,914 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 03:07:48,120 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:07:48,126 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:07:48,141 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 03:07:48,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:48,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:48,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:48,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:48,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:48,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:48,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,202 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 03:07:48,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:48,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:48,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:48,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:48,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:48,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:48,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:07:48,209 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:07:48,256 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 03:07:48,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:48,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:48,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:48,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:48,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:48,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:48,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,263 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:07:48,310 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 03:07:48,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:48,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:48,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:48,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:48,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:48,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:48,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,317 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 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,366 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 03:07:48,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:48,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:48,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:48,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:48,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:48,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:48,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:07:48,373 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:07:48,420 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 03:07:48,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:48,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:48,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:48,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:48,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:48,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:48,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,429 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,472 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 03:07:48,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:48,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:48,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:48,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:48,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:48,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:48,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:07:48,478 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,506 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 03:07:48,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:48,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:48,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:48,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:48,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:48,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:48,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:07:48,511 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 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,537 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 03:07:48,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:48,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:48,540 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 03:07:48,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:48,553 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-07-29 03:07:48,554 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-29 03:07:48,571 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 03:07:48,644 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-07-29 03:07:48,644 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:07:48,652 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,662 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-07-29 03:07:48,663 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 03:07:48,664 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2020-07-29 03:07:48,704 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-29 03:07:48,713 INFO L393 LassoCheck]: Loop: "~x := #in~x;" "assume !(0 == ~x);" "call #t~ret0 := id(~x - 1);"< [2020-07-29 03:07:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:48,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:48,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 03:07:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:48,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:07:48,811 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#unseeded} havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 25; {52#(and (<= 25 ULTIMATE.start_main_~input~0) unseeded)} is VALID [2020-07-29 03:07:48,813 INFO L263 TraceCheckUtils]: 1: Hoare triple {52#(and (<= 25 ULTIMATE.start_main_~input~0) unseeded)} call main_#t~ret1 := id(main_~input~0); {43#(and unseeded (>= |id_#in~x| 0))} is VALID [2020-07-29 03:07:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:48,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-29 03:07:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:48,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:07:48,885 INFO L280 TraceCheckUtils]: 0: Hoare triple {44#(and (>= oldRank0 |id_#in~x|) (>= |id_#in~x| 0))} ~x := #in~x; {56#(and (<= id_~x oldRank0) (<= 0 id_~x))} is VALID [2020-07-29 03:07:48,886 INFO L280 TraceCheckUtils]: 1: Hoare triple {56#(and (<= id_~x oldRank0) (<= 0 id_~x))} assume !(0 == ~x); {60#(and (<= id_~x oldRank0) (<= 0 id_~x) (not (= 0 id_~x)))} is VALID [2020-07-29 03:07:48,888 INFO L263 TraceCheckUtils]: 2: Hoare triple {60#(and (<= id_~x oldRank0) (<= 0 id_~x) (not (= 0 id_~x)))} call #t~ret0 := id(~x - 1); {46#(and (or (and (> oldRank0 |id_#in~x|) (>= oldRank0 0)) unseeded) (>= |id_#in~x| 0))} is VALID [2020-07-29 03:07:48,889 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 03:07:48,900 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-29 03:07:48,919 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 03:07:48,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:48,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:48,932 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-07-29 03:07:48,934 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2020-07-29 03:07:49,249 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 29 states and 34 transitions. Complement of second has 13 states. [2020-07-29 03:07:49,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 03:07:49,250 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:07:49,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:07:49,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:49,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:49,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:49,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-07-29 03:07:49,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:49,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:49,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:49,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2020-07-29 03:07:49,258 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:07:49,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:07:49,260 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 14 states. [2020-07-29 03:07:49,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:49,265 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 03:07:49,266 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 5 states. [2020-07-29 03:07:49,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:49,267 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:07:49,267 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:07:49,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:07:49,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:07:49,268 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 03:07:49,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:49,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:49,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,269 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 03:07:49,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:49,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:49,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,270 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 03:07:49,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:07:49,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:07:49,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,271 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 03:07:49,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:07:49,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:07:49,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,272 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 03:07:49,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:07:49,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:07:49,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 34 transitions. cyclomatic complexity: 6 Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:07:49,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:49,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:49,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,275 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 03:07:49,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:07:49,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:07:49,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,276 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 03:07:49,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:07:49,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:07:49,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,278 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 03:07:49,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:49,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:49,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,279 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 03:07:49,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,280 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:07:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 03:07:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2020-07-29 03:07:49,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:49,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 03:07:49,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2020-07-29 03:07:49,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:49,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:07:49,292 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:07:49,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-07-29 03:07:49,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 03:07:49,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 03:07:49,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 03:07:49,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:07:49,299 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:07:49,299 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:07:49,299 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:07:49,299 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 03:07:49,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 03:07:49,299 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:07:49,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:07:49,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 03:07:49 BoogieIcfgContainer [2020-07-29 03:07:49,307 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 03:07:49,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 03:07:49,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 03:07:49,308 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 03:07:49,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:46" (3/4) ... [2020-07-29 03:07:49,313 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 03:07:49,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 03:07:49,316 INFO L168 Benchmark]: Toolchain (without parser) took 3773.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -202.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:07:49,317 INFO L168 Benchmark]: CDTParser took 0.30 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 03:07:49,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.31 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:49,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:49,319 INFO L168 Benchmark]: Boogie Preprocessor took 18.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:07:49,320 INFO L168 Benchmark]: RCFGBuilder took 288.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:49,321 INFO L168 Benchmark]: BuchiAutomizer took 3090.44 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:49,321 INFO L168 Benchmark]: Witness Printer took 5.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:07:49,325 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 0.30 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 273.31 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 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 91.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 288.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3090.44 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. 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, 6 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq202 hnf95 smp100 dnf150 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 129ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...