./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id_i5_o5-1.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_i5_o5-1.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 bd8a40b9ab0ccbf5be4fcc211d81cb04996473fb ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:07:45,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:07:45,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:07:45,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:07:45,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:07:45,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:07:45,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:07:45,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:07:45,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:07:45,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:07:45,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:07:45,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:07:45,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:07:45,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:07:45,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:07:45,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:07:45,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:07:45,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:07:45,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:07:45,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:07:45,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:07:45,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:07:45,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:07:45,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:07:45,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:07:45,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:07:45,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:07:45,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:07:45,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:07:45,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:07:45,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:07:45,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:07:45,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:07:45,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:07:46,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:07:46,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:07:46,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:07:46,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:07:46,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:07:46,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:07:46,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:07:46,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:07:46,049 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:07:46,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:07:46,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:07:46,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:07:46,058 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:07:46,058 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:07:46,058 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:07:46,059 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:07:46,059 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:07:46,059 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:07:46,059 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:07:46,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:07:46,060 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:07:46,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:07:46,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:07:46,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:07:46,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:07:46,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:07:46,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:07:46,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:07:46,063 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:07:46,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:07:46,064 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:07:46,064 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:07:46,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:07:46,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:07:46,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:07:46,066 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:07:46,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:07:46,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:07:46,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:07:46,068 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:07:46,069 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:07:46,070 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 -> bd8a40b9ab0ccbf5be4fcc211d81cb04996473fb [2020-07-29 03:07:46,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:07:46,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:07:46,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:07:46,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:07:46,485 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:07:46,486 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i5_o5-1.c [2020-07-29 03:07:46,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87e28f3a/21a49560b68d4bfe97d3222d60435acc/FLAG303d468fd [2020-07-29 03:07:47,035 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:07:47,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i5_o5-1.c [2020-07-29 03:07:47,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87e28f3a/21a49560b68d4bfe97d3222d60435acc/FLAG303d468fd [2020-07-29 03:07:47,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87e28f3a/21a49560b68d4bfe97d3222d60435acc [2020-07-29 03:07:47,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:07:47,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:07:47,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:47,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:07:47,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:07:47,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d2a7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47, skipping insertion in model container [2020-07-29 03:07:47,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:07:47,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:07:47,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:47,632 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:07:47,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:47,663 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:07:47,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47 WrapperNode [2020-07-29 03:07:47,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:47,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:47,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:07:47,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:07:47,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:47,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:07:47,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:07:47,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:07:47,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (1/1) ... [2020-07-29 03:07:47,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:07:47,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:07:47,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:07:47,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:07:47,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (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 03:07:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:07:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:07:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-07-29 03:07:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-07-29 03:07:48,023 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:07:48,024 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 03:07:48,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:48 BoogieIcfgContainer [2020-07-29 03:07:48,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:07:48,029 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:07:48,029 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:07:48,033 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:07:48,034 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:48,034 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:07:47" (1/3) ... [2020-07-29 03:07:48,036 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5138d2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:07:48, skipping insertion in model container [2020-07-29 03:07:48,036 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:48,036 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:47" (2/3) ... [2020-07-29 03:07:48,037 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5138d2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:07:48, skipping insertion in model container [2020-07-29 03:07:48,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:48,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:48" (3/3) ... [2020-07-29 03:07:48,039 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_i5_o5-1.c [2020-07-29 03:07:48,099 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:07:48,099 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:07:48,100 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:07:48,100 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:07:48,100 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:07:48,101 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:07:48,101 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:07:48,101 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:07:48,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:07:48,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:48,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:48,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:48,178 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:48,179 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:48,179 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:07:48,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:07:48,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:48,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:48,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:48,185 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:48,185 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:48,196 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 5; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2020-07-29 03:07:48,197 INFO L796 eck$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 03:07:48,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:48,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2020-07-29 03:07:48,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:48,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716791282] [2020-07-29 03:07:48,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:48,297 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:48,301 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:48,321 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:48,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:48,323 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2020-07-29 03:07:48,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:48,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099378504] [2020-07-29 03:07:48,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:48,330 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:48,335 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:48,337 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:48,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:48,340 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2020-07-29 03:07:48,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:48,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299709770] [2020-07-29 03:07:48,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:48,349 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:48,357 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:48,360 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:48,540 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:07:48,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:07:48,542 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:07:48,542 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:07:48,542 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:07:48,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:07:48,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:07:48,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i5_o5-1.c_Iteration1_Loop [2020-07-29 03:07:48,544 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:07:48,544 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:07:48,566 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 03:07:48,577 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 03:07:48,585 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 03:07:48,614 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 03:07:48,740 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:07:48,741 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 03:07:48,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:48,748 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 03:07:48,757 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:48,758 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) [2020-07-29 03:07:48,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:48,804 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:48,809 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:48,809 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 03:07:48,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:48,859 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 03:07:48,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:07:48,912 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 03:07:48,936 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:48,937 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 03:07:48,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:48,980 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:48,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:48,987 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 03:07:49,052 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:07:49,052 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:07:49,052 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:07:49,053 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:07:49,053 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:07:49,053 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:49,053 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:07:49,054 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:07:49,054 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i5_o5-1.c_Iteration1_Lasso [2020-07-29 03:07:49,054 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:07:49,054 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:07:49,062 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 03:07:49,068 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 03:07:49,075 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 03:07:49,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:07:49,087 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 03:07:49,092 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 03:07:49,097 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 03:07:49,110 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 03:07:49,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:07:49,311 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:07:49,311 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 03:07:49,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:49,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:49,321 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:49,321 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 03:07:49,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:49,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:49,361 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:49,362 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 03:07:49,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:49,406 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 03:07:49,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:49,410 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 03:07:49,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:49,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:49,452 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:49,453 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:49,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:49,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:49,488 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:49,488 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 03:07:49,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:49,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:49,529 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 03:07:49,530 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) [2020-07-29 03:07:49,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:07:49,555 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 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 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 03:07:49,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:07:49,584 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 03:07:49,614 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 03:07:49,616 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:07:49,616 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:07:49,616 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:07:49,617 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:07:49,617 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 03:07:49,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:49,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:07:49,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:07:49,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i5_o5-1.c_Iteration1_Lasso [2020-07-29 03:07:49,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:07:49,618 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:07:49,627 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 03:07:49,631 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 03:07:49,636 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 03:07:49,640 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 03:07:49,644 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 03:07:49,648 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 03:07:49,653 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 03:07:49,657 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 03:07:49,662 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 03:07:49,863 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:07:49,869 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 03:07:49,881 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 03:07:49,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:49,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:49,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:49,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:49,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:49,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:49,887 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 03:07:49,890 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 03:07:49,935 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 03:07:49,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:49,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:49,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:49,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:49,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:49,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:49,938 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 03:07:49,941 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 03:07:49,984 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 03:07:49,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:49,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:49,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:49,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:49,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:49,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:49,988 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 03:07:49,989 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 03:07:50,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:50,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:50,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:50,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:50,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:50,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:50,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:50,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:07:50,035 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 03:07:50,078 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 03:07:50,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:50,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:50,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:50,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:50,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:50,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:50,083 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 03:07:50,085 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 03:07:50,129 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 03:07:50,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:50,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:50,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:50,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:50,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:50,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:50,133 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 03:07:50,136 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 03:07:50,194 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 03:07:50,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:50,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:50,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:50,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:50,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:50,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:50,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:07:50,202 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 03:07:50,246 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 03:07:50,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:50,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:07:50,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:50,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:07:50,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:50,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:07:50,250 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 03:07:50,252 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 03:07:50,289 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 03:07:50,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:07:50,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:07:50,292 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 03:07:50,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:07:50,303 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-07-29 03:07:50,304 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 03:07:50,323 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 03:07:50,348 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-07-29 03:07:50,348 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 03:07:50,353 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 03:07:50,359 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-07-29 03:07:50,359 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 03:07:50,360 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 03:07:50,407 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-29 03:07:50,413 INFO L393 LassoCheck]: Loop: "~x := #in~x;" "assume !(0 == ~x);" "call #t~ret0 := id(~x - 1);"< [2020-07-29 03:07:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:50,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:50,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 03:07:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:50,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:07:50,518 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#unseeded} havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 5; {52#(and (<= 5 ULTIMATE.start_main_~input~0) unseeded)} is VALID [2020-07-29 03:07:50,520 INFO L263 TraceCheckUtils]: 1: Hoare triple {52#(and (<= 5 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 03:07:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:50,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-29 03:07:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:07:50,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:07:50,607 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 03:07:50,609 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 03:07:50,620 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 03:07:50,621 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 03:07:50,642 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-29 03:07:50,678 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 03:07:50,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,689 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 03:07:50,691 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2020-07-29 03:07:50,918 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 03:07:50,918 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 03:07:50,918 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:07:50,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:07:50,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:50,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:50,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:50,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-07-29 03:07:50,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:50,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:50,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:50,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2020-07-29 03:07:50,927 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:07:50,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:07:50,929 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 14 states. [2020-07-29 03:07:50,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:50,933 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 03:07:50,934 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 5 states. [2020-07-29 03:07:50,935 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:50,935 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:07:50,936 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:07:50,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:07:50,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:07:50,936 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 03:07:50,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,937 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 03:07:50,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,939 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 03:07:50,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:07:50,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:07:50,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,940 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 03:07:50,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:07:50,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:07:50,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,956 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 03:07:50,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:07:50,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:07:50,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,957 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 03:07:50,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,958 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 03:07:50,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:07:50,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 03:07:50,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,959 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 03:07:50,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:07:50,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:07:50,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,962 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 03:07:50,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,976 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 03:07:50,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,978 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:07:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 03:07:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2020-07-29 03:07:50,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2020-07-29 03:07:50,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 03:07:50,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2020-07-29 03:07:50,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:07:50,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. cyclomatic complexity: 6 [2020-07-29 03:07:51,015 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:07:51,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-07-29 03:07:51,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 03:07:51,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 03:07:51,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 03:07:51,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:07:51,024 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:07:51,024 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:07:51,024 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:07:51,024 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 03:07:51,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 03:07:51,028 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:07:51,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:07:51,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 03:07:51 BoogieIcfgContainer [2020-07-29 03:07:51,036 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 03:07:51,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 03:07:51,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 03:07:51,037 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 03:07:51,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:48" (3/4) ... [2020-07-29 03:07:51,041 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 03:07:51,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 03:07:51,046 INFO L168 Benchmark]: Toolchain (without parser) took 3618.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:07:51,048 INFO L168 Benchmark]: CDTParser took 0.33 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 03:07:51,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.34 ms. Allocated memory is still 1.0 GB. Free memory was 958.9 MB in the beginning and 948.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:51,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.59 ms. Allocated memory is still 1.0 GB. Free memory is still 948.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:07:51,055 INFO L168 Benchmark]: Boogie Preprocessor took 83.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:51,056 INFO L168 Benchmark]: RCFGBuilder took 251.21 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:51,057 INFO L168 Benchmark]: BuchiAutomizer took 3007.12 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -91.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:07:51,057 INFO L168 Benchmark]: Witness Printer took 5.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:07:51,072 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 0.33 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 234.34 ms. Allocated memory is still 1.0 GB. Free memory was 958.9 MB in the beginning and 948.1 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 28.59 ms. Allocated memory is still 1.0 GB. Free memory is still 948.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 251.21 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3007.12 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -91.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 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 2.2s. 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: 73ms 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...