./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id_i20_o20-1.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_i20_o20-1.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 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:07:41,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:07:41,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:07:41,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:07:41,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:07:41,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:07:41,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:07:41,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:07:41,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:07:41,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:07:41,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:07:41,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:07:41,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:07:41,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:07:41,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:07:41,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:07:41,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:07:41,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:07:41,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:07:41,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:07:41,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:07:41,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:07:41,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:07:41,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:07:41,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:07:41,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:07:41,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:07:41,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:07:41,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:07:41,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:07:41,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:07:41,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:07:41,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:07:41,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:07:41,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:07:41,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:07:41,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:07:41,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:07:41,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:07:41,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:07:41,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:07:41,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:07:41,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:07:41,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:07:41,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:07:41,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:07:41,317 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:07:41,318 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:07:41,318 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:07:41,318 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:07:41,319 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:07:41,319 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:07:41,320 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:07:41,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:07:41,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:07:41,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:07:41,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:07:41,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:07:41,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:07:41,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:07:41,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:07:41,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:07:41,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:07:41,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:07:41,324 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:07:41,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:07:41,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:07:41,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:07:41,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:07:41,326 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:07:41,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:07:41,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:07:41,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:07:41,328 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:07:41,329 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:07:41,330 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 -> 4d7026bf672987d88e3a6ea48c2c5a690fd9a5f2 [2020-07-29 03:07:41,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:07:41,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:07:41,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:07:41,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:07:41,672 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:07:41,673 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2020-07-29 03:07:41,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eae59451/a0b7b969634641929a97e0d5cb5d5895/FLAG845f5bf99 [2020-07-29 03:07:42,203 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:07:42,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2020-07-29 03:07:42,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eae59451/a0b7b969634641929a97e0d5cb5d5895/FLAG845f5bf99 [2020-07-29 03:07:42,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eae59451/a0b7b969634641929a97e0d5cb5d5895 [2020-07-29 03:07:42,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:07:42,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:07:42,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:42,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:07:42,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:07:42,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:42,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2878d26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42, skipping insertion in model container [2020-07-29 03:07:42,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:42,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:07:42,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:07:42,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:42,893 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:07:42,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:42,937 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:07:42,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42 WrapperNode [2020-07-29 03:07:42,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:42,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:42,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:07:42,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:07:42,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:42,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:43,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:43,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:07:43,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:07:43,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:07:43,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:43,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:43,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:43,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:43,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:43,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:43,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (1/1) ... [2020-07-29 03:07:43,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:07:43,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:07:43,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:07:43,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:07:43,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (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 03:07:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:07:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:07:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-07-29 03:07:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-07-29 03:07:43,316 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:07:43,317 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 03:07:43,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:43 BoogieIcfgContainer [2020-07-29 03:07:43,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:07:43,321 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:07:43,321 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:07:43,325 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:07:43,326 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:43,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:07:42" (1/3) ... [2020-07-29 03:07:43,328 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@695ec928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:07:43, skipping insertion in model container [2020-07-29 03:07:43,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:43,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:42" (2/3) ... [2020-07-29 03:07:43,329 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@695ec928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:07:43, skipping insertion in model container [2020-07-29 03:07:43,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:43,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:43" (3/3) ... [2020-07-29 03:07:43,331 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_i20_o20-1.c [2020-07-29 03:07:43,387 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:07:43,387 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:07:43,388 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:07:43,388 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:07:43,388 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:07:43,388 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:07:43,389 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:07:43,389 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:07:43,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:07:43,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:43,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:43,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:43,443 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:43,443 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:43,443 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:07:43,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:07:43,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:43,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:43,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:43,448 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:43,448 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:43,456 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 20; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2020-07-29 03:07:43,457 INFO L796 eck$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 03:07:43,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:43,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2020-07-29 03:07:43,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:43,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378964164] [2020-07-29 03:07:43,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:43,556 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:43,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:43,576 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:43,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:43,578 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2020-07-29 03:07:43,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:43,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171377136] [2020-07-29 03:07:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:43,584 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:43,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:43,591 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:43,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:43,593 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2020-07-29 03:07:43,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:43,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675840351] [2020-07-29 03:07:43,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:43,602 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:43,610 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:43,612 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:43,824 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:07:43,824 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:07:43,825 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:07:43,825 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:07:43,825 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:07:43,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:43,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:07:43,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:07:43,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i20_o20-1.c_Iteration1_Loop [2020-07-29 03:07:43,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:07:43,826 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:07:43,853 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 03:07:43,866 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 03:07:43,876 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 03:07:43,894 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 03:07:44,030 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:07:44,032 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 03:07:44,043 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,044 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 03:07:44,054 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,054 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 03:07:44,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:44,101 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,101 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) [2020-07-29 03:07:44,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,147 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:07:44,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:07:44,196 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:44,218 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,218 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 03:07:44,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:44,259 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,259 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 03:07:44,325 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:07:44,325 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:07:44,325 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:07:44,325 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:07:44,326 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:07:44,326 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:44,326 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:07:44,327 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:07:44,327 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i20_o20-1.c_Iteration1_Lasso [2020-07-29 03:07:44,327 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:07:44,327 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:07:44,335 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 03:07:44,340 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 03:07:44,345 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 03:07:44,352 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 03:07:44,359 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 03:07:44,365 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 03:07:44,372 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 03:07:44,385 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 03:07:44,390 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 03:07:44,584 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:07:44,584 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:44,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:44,593 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,594 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:44,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:44,626 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,627 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:44,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:44,670 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,670 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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:44,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:44,701 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,702 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 03:07:44,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,733 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 03:07:44,739 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,740 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 03:07:44,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,772 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:44,774 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:44,775 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 03:07:44,801 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:44,802 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 03:07:44,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:07:44,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:44,869 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 03:07:44,870 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:07:44,870 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:07:44,871 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:07:44,871 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:07:44,871 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 03:07:44,871 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:44,871 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:07:44,871 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:07:44,872 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i20_o20-1.c_Iteration1_Lasso [2020-07-29 03:07:44,872 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:07:44,872 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:07:44,879 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 03:07:44,884 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 03:07:44,888 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 03:07:44,892 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 03:07:44,896 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 03:07:44,900 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 03:07:44,904 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 03:07:44,909 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 03:07:44,913 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 03:07:45,118 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:07:45,124 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 03:07:45,139 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 03:07:45,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:45,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:45,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:45,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:45,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:45,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:45,148 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 03:07:45,152 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) [2020-07-29 03:07:45,209 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 03:07:45,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:45,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:45,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:45,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:45,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:45,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:45,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:45,215 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 03:07:45,261 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 03:07:45,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:45,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:45,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:45,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:45,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:45,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:45,268 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 03:07:45,271 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 03:07:45,320 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:45,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:45,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:45,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:45,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:45,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:45,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:45,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:07:45,329 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) [2020-07-29 03:07:45,377 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 03:07:45,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:45,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:45,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:45,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:45,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:45,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:45,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:45,383 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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:45,426 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 03:07:45,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:45,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:45,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:45,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:45,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:45,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:45,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:07:45,434 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) [2020-07-29 03:07:45,488 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:45,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:45,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:45,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:45,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:45,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:45,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:45,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:07:45,497 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) [2020-07-29 03:07:45,539 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 03:07:45,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:45,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:45,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:45,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:45,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:45,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:45,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:45,547 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) [2020-07-29 03:07:45,586 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 03:07:45,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:45,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:45,589 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 03:07:45,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:45,611 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-07-29 03:07:45,614 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:45,635 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 03:07:45,665 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-07-29 03:07:45,665 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 03:07:45,671 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 03:07:45,678 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-07-29 03:07:45,679 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 03:07:45,679 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 03:07:45,769 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-29 03:07:45,777 INFO L393 LassoCheck]: Loop: "~x := #in~x;" "assume !(0 == ~x);" "call #t~ret0 := id(~x - 1);"< [2020-07-29 03:07:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:45,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:45,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 03:07:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:45,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:07:45,883 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#unseeded} havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 20; {52#(and (<= 20 ULTIMATE.start_main_~input~0) unseeded)} is VALID [2020-07-29 03:07:45,885 INFO L263 TraceCheckUtils]: 1: Hoare triple {52#(and (<= 20 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 03:07:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:45,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-29 03:07:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:45,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:07:45,956 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 03:07:45,957 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 03:07:45,959 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 03:07:45,960 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 03:07:45,972 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-29 03:07:45,990 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 03:07:45,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:45,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,002 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 03:07:46,004 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2020-07-29 03:07:46,366 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 03:07:46,367 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 03:07:46,367 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:07:46,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:07:46,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:46,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:46,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:46,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-07-29 03:07:46,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:46,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:46,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:46,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2020-07-29 03:07:46,380 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:07:46,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:07:46,384 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 14 states. [2020-07-29 03:07:46,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:46,390 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 03:07:46,392 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 5 states. [2020-07-29 03:07:46,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:46,395 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:07:46,395 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:07:46,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:07:46,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:07:46,396 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 03:07:46,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:46,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:46,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,397 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 03:07:46,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:46,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:46,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,398 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 03:07:46,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:07:46,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:07:46,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,400 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 03:07:46,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:07:46,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:07:46,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,403 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 03:07:46,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:07:46,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:07:46,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,404 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 03:07:46,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:46,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:46,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,405 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 03:07:46,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:07:46,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:07:46,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,407 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 03:07:46,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:07:46,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:07:46,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,409 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 03:07:46,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:46,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:46,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,411 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 03:07:46,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,412 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:07:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 03:07:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2020-07-29 03:07:46,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:46,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 03:07:46,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2020-07-29 03:07:46,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:46,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:07:46,433 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:07:46,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-07-29 03:07:46,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 03:07:46,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 03:07:46,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 03:07:46,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:07:46,439 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:07:46,439 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:07:46,439 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:07:46,439 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 03:07:46,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 03:07:46,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:07:46,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:07:46,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 03:07:46 BoogieIcfgContainer [2020-07-29 03:07:46,450 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 03:07:46,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 03:07:46,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 03:07:46,451 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 03:07:46,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:43" (3/4) ... [2020-07-29 03:07:46,456 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 03:07:46,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 03:07:46,459 INFO L168 Benchmark]: Toolchain (without parser) took 3841.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 962.9 MB in the beginning and 1.2 GB in the end (delta: -190.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:46,461 INFO L168 Benchmark]: CDTParser took 0.29 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 03:07:46,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.74 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:46,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:46,468 INFO L168 Benchmark]: Boogie Preprocessor took 21.63 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 03:07:46,469 INFO L168 Benchmark]: RCFGBuilder took 258.92 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:46,469 INFO L168 Benchmark]: BuchiAutomizer took 3129.02 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:46,470 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:46,486 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 0.29 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 317.74 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.2 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 97.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.63 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 258.92 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3129.02 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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, 0.0s 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: 97ms 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...