./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/Gothenburg-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 70b7927a0492d6be5caba90d696a196e2b22ba2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:26:43,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:26:43,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:26:44,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:26:44,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:26:44,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:26:44,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:26:44,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:26:44,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:26:44,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:26:44,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:26:44,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:26:44,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:26:44,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:26:44,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:26:44,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:26:44,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:26:44,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:26:44,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:26:44,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:26:44,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:26:44,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:26:44,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:26:44,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:26:44,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:26:44,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:26:44,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:26:44,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:26:44,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:26:44,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:26:44,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:26:44,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:26:44,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:26:44,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:26:44,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:26:44,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:26:44,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:26:44,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:26:44,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:26:44,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:26:44,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:26:44,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:26:44,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:26:44,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:26:44,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:26:44,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:26:44,135 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:26:44,135 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:26:44,135 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:26:44,136 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:26:44,136 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:26:44,136 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:26:44,136 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:26:44,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:26:44,137 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:26:44,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:26:44,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:26:44,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:26:44,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:26:44,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:26:44,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:26:44,139 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:26:44,139 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:26:44,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:26:44,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:26:44,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:26:44,140 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:26:44,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:26:44,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:26:44,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:26:44,142 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:26:44,143 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:26:44,144 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70b7927a0492d6be5caba90d696a196e2b22ba2a [2020-07-29 01:26:44,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:26:44,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:26:44,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:26:44,467 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:26:44,468 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:26:44,469 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-07-29 01:26:44,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26215cf20/5875627195c044c3b699be9ce45e74fe/FLAGa6d4cc725 [2020-07-29 01:26:44,981 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:26:44,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-07-29 01:26:44,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26215cf20/5875627195c044c3b699be9ce45e74fe/FLAGa6d4cc725 [2020-07-29 01:26:45,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26215cf20/5875627195c044c3b699be9ce45e74fe [2020-07-29 01:26:45,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:26:45,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:26:45,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:26:45,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:26:45,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:26:45,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5952bf56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45, skipping insertion in model container [2020-07-29 01:26:45,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:26:45,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:26:45,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:26:45,565 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:26:45,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:26:45,600 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:26:45,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45 WrapperNode [2020-07-29 01:26:45,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:26:45,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:26:45,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:26:45,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:26:45,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:26:45,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:26:45,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:26:45,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:26:45,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... [2020-07-29 01:26:45,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:26:45,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:26:45,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:26:45,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:26:45,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:26:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:26:46,037 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:26:46,037 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:26:46,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:26:46 BoogieIcfgContainer [2020-07-29 01:26:46,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:26:46,044 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:26:46,044 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:26:46,048 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:26:46,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:26:46,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:26:45" (1/3) ... [2020-07-29 01:26:46,050 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f8302c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:26:46, skipping insertion in model container [2020-07-29 01:26:46,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:26:46,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:45" (2/3) ... [2020-07-29 01:26:46,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f8302c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:26:46, skipping insertion in model container [2020-07-29 01:26:46,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:26:46,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:26:46" (3/3) ... [2020-07-29 01:26:46,054 INFO L371 chiAutomizerObserver]: Analyzing ICFG Gothenburg-1.c [2020-07-29 01:26:46,114 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:26:46,115 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:26:46,115 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:26:46,115 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:26:46,115 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:26:46,116 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:26:46,116 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:26:46,116 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:26:46,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 01:26:46,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:26:46,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:26:46,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:26:46,168 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:26:46,168 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:26:46,168 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:26:46,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 01:26:46,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:26:46,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:26:46,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:26:46,175 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:26:46,175 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:26:46,184 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~b~0, main_~x~0, main_~y~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 6#L22true assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); 7#L23true assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); 9#L24true assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); 11#L25true assume !!(-268435455 <= main_~y~0 && main_~y~0 <= 268435455); 3#L26true assume main_~a~0 == main_~b~0; 12#L27-2true [2020-07-29 01:26:46,185 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0 || main_~y~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1;main_~y~0 := main_~y~0 + main_~b~0 - main_~a~0 - 1; 12#L27-2true [2020-07-29 01:26:46,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:26:46,190 INFO L82 PathProgramCache]: Analyzing trace with hash 922017710, now seen corresponding path program 1 times [2020-07-29 01:26:46,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:26:46,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847999934] [2020-07-29 01:26:46,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:26:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:46,288 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:46,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:46,316 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:26:46,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:26:46,317 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-07-29 01:26:46,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:26:46,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549986645] [2020-07-29 01:26:46,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:26:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:46,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:46,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:46,336 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:26:46,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:26:46,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1482222029, now seen corresponding path program 1 times [2020-07-29 01:26:46,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:26:46,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304741296] [2020-07-29 01:26:46,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:26:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:46,353 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:46,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:46,367 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:26:46,453 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:26:46,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:26:46,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:26:46,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:26:46,455 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:26:46,455 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:46,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:26:46,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:26:46,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Loop [2020-07-29 01:26:46,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:26:46,457 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:26:46,505 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 01:26:46,521 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 01:26:46,538 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 01:26:46,732 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:26:46,733 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 01:26:46,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:46,748 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 01:26:46,760 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:46,761 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=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 01:26:46,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:46,803 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:26:46,808 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:46,808 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:46,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:46,841 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:46,874 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:26:46,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:26:47,287 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:47,288 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-2, ULTIMATE.start_main_~b~0=-1, ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-2, ULTIMATE.start_main_~b~0=-1, ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=0, ULTIMATE.start_main_~b~0=0, ULTIMATE.start_main_~x~0=-5}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=0, ULTIMATE.start_main_~b~0=0, ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=0, ULTIMATE.start_main_~b~0=0, ULTIMATE.start_main_~x~0=4}] Lambdas: [1, 5, 1] Nus: [0, 1] [2020-07-29 01:26:47,435 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:26:47,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:26:47,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:26:47,436 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:26:47,436 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:26:47,436 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:47,437 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:26:47,437 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:26:47,437 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2020-07-29 01:26:47,437 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:26:47,437 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:26:47,458 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 01:26:47,463 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 01:26:47,469 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 01:26:47,477 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 01:26:47,483 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 01:26:47,490 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 01:26:47,495 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 01:26:47,531 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 01:26:47,800 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:26:47,800 INFO L404 LassoAnalysis]: Checking for nontermination... 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 01:26:47,809 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:47,809 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:26:47,813 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:47,813 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:47,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:47,847 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:47,852 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:47,852 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:47,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:47,898 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:47,904 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:47,904 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=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 01:26:47,955 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:47,955 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 01:26:47,960 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:47,960 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:48,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:48,019 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:48,024 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:48,025 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=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 01:26:48,080 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:48,080 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 01:26:48,085 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:48,085 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=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) [2020-07-29 01:26:48,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:48,132 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:48,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:26:48,259 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 [2020-07-29 01:26:48,315 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:26:48,317 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:26:48,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:26:48,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:26:48,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:26:48,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:26:48,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:48,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:26:48,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:26:48,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2020-07-29 01:26:48,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:26:48,319 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:26:48,339 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 01:26:48,345 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 01:26:48,350 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 01:26:48,381 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 01:26:48,386 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 01:26:48,390 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 01:26:48,395 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 01:26:48,401 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 01:26:48,682 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:26:48,688 INFO L489 LassoAnalysis]: Using template 'affine'. 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 01:26:48,693 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 01:26:48,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:48,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:48,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:48,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:48,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:26:48,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:26:48,707 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 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:48,745 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 01:26:48,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:48,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:48,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:48,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:48,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:48,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:26:48,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:48,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:48,786 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 01:26:48,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:48,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:48,788 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:26:48,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:48,810 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-07-29 01:26:48,810 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-29 01:26:48,849 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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:48,885 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 01:26:48,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:48,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:48,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:48,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:48,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:48,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:26:48,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:48,890 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:48,926 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 01:26:48,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:48,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:48,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:48,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:48,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:48,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:26:48,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:48,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:48,955 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 01:26:48,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:48,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:48,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:48,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:48,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:48,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:26:48,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:48,960 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 01:26:48,992 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 01:26:48,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:48,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:48,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:48,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:48,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:26:48,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:26:49,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,025 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 01:26:49,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:49,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:26:49,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:49,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:26:49,057 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,059 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 01:26:49,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,062 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:49,064 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:26:49,065 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-29 01:26:49,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,099 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 01:26:49,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,102 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:49,103 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:26:49,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:49,106 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 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,144 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 01:26:49,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,147 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:26:49,148 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:49,165 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-07-29 01:26:49,166 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-29 01:26:49,210 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 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,234 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 01:26:49,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,235 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:49,236 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:26:49,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:49,237 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 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,261 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 01:26:49,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,264 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:49,264 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:26:49,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:49,266 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 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,296 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 01:26:49,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,299 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:49,300 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:26:49,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:49,303 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 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,327 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 01:26:49,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,330 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:49,337 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:26:49,337 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-29 01:26:49,342 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:49,386 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 01:26:49,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,389 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:49,390 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:26:49,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:26:49,414 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,417 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 01:26:49,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,419 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:26:49,424 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-29 01:26:49,425 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-29 01:26:49,431 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 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,455 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 01:26:49,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,457 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:26:49,458 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:26:49,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:49,465 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 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,488 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 [2020-07-29 01:26:49,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,490 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:26:49,490 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:26:49,511 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2020-07-29 01:26:49,511 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-07-29 01:26:49,587 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:49,624 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 01:26:49,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,627 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:26:49,628 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:26:49,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,631 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 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,663 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 01:26:49,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,665 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:26:49,666 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:26:49,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:49,667 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 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,692 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 01:26:49,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,694 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:26:49,695 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:26:49,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:49,696 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 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,722 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 01:26:49,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,724 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:26:49,728 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-29 01:26:49,728 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-29 01:26:49,742 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 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,767 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 01:26:49,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,769 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-29 01:26:49,770 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:26:49,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:49,772 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:26:49,793 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,796 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 01:26:49,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,798 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:26:49,803 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-29 01:26:49,803 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-29 01:26:49,814 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:49,855 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 01:26:49,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:49,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:49,858 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:26:49,862 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:26:49,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,866 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:49,910 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 01:26:49,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:49,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:49,913 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:26:49,914 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:49,936 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2020-07-29 01:26:49,936 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2020-07-29 01:26:50,017 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:50,044 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 01:26:50,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:50,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:50,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:50,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:50,047 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:50,048 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:26:50,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:50,050 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:50,073 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:50,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:50,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:50,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:50,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:50,076 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:26:50,076 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:26:50,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:50,085 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:50,120 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 01:26:50,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:50,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:50,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:50,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:50,123 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:26:50,124 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:26:50,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:50,126 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 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:50,153 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 01:26:50,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:50,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:50,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:50,155 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:26:50,159 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-29 01:26:50,160 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-29 01:26:50,166 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 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:50,188 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 01:26:50,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:50,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:50,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:50,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:50,190 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-29 01:26:50,191 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-29 01:26:50,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:50,193 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:26:50,215 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:50,217 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 01:26:50,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:26:50,219 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:26:50,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:50,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:50,219 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:50,227 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:26:50,227 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-29 01:26:50,239 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:50,272 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 01:26:50,274 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:26:50,274 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:26:50,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:50,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:50,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:50,274 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:50,275 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:26:50,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:50,282 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:50,319 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 01:26:50,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-29 01:26:50,322 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-29 01:26:50,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:50,322 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:26:50,322 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:50,337 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-07-29 01:26:50,337 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-29 01:26:50,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:26:50,631 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2020-07-29 01:26:50,631 INFO L444 ModelExtractionUtils]: 6 out of 42 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:50,638 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:50,649 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2020-07-29 01:26:50,649 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:26:50,650 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~y~0 + 1 f1 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0, -1*ULTIMATE.start_main_~b~0 + 1*ULTIMATE.start_main_~a~0 >= 0] [2020-07-29 01:26:50,708 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2020-07-29 01:26:50,715 INFO L393 LassoCheck]: Loop: "assume !!(main_~x~0 >= 0 || main_~y~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1;main_~y~0 := main_~y~0 + main_~b~0 - main_~a~0 - 1;" [2020-07-29 01:26:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:50,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:26:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:50,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:26:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:50,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:26:50,805 INFO L280 TraceCheckUtils]: 0: Hoare triple {21#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~b~0, main_~x~0, main_~y~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; {21#unseeded} is VALID [2020-07-29 01:26:50,806 INFO L280 TraceCheckUtils]: 1: Hoare triple {21#unseeded} assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); {21#unseeded} is VALID [2020-07-29 01:26:50,808 INFO L280 TraceCheckUtils]: 2: Hoare triple {21#unseeded} assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); {21#unseeded} is VALID [2020-07-29 01:26:50,810 INFO L280 TraceCheckUtils]: 3: Hoare triple {21#unseeded} assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); {21#unseeded} is VALID [2020-07-29 01:26:50,811 INFO L280 TraceCheckUtils]: 4: Hoare triple {21#unseeded} assume !!(-268435455 <= main_~y~0 && main_~y~0 <= 268435455); {21#unseeded} is VALID [2020-07-29 01:26:50,812 INFO L280 TraceCheckUtils]: 5: Hoare triple {21#unseeded} assume main_~a~0 == main_~b~0; {47#(and (>= (+ ULTIMATE.start_main_~b~0 (* (- 1) ULTIMATE.start_main_~a~0)) 0) (>= (+ (* (- 1) ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~a~0) 0) unseeded)} is VALID [2020-07-29 01:26:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:50,819 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-29 01:26:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:50,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:26:50,827 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#(and (>= (+ ULTIMATE.start_main_~b~0 (* (- 1) ULTIMATE.start_main_~a~0)) 0) (>= oldRank1 (ite (> (+ ULTIMATE.start_main_~y~0 1) 0) (+ ULTIMATE.start_main_~y~0 1) (+ (* 2 ULTIMATE.start_main_~x~0) 1))) (>= (+ (* (- 1) ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~a~0) 0) (>= oldRank0 (ite (> (+ ULTIMATE.start_main_~y~0 1) 0) 1 0)))} assume !!(main_~x~0 >= 0 || main_~y~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1;main_~y~0 := main_~y~0 + main_~b~0 - main_~a~0 - 1; {50#(and (>= (+ ULTIMATE.start_main_~b~0 (* (- 1) ULTIMATE.start_main_~a~0)) 0) (>= (+ (* (- 1) ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~a~0) 0) (or (and (> oldRank0 (ite (> (+ ULTIMATE.start_main_~y~0 1) 0) 1 0)) (>= oldRank0 0)) unseeded (and (>= oldRank1 0) (> oldRank1 (ite (> (+ ULTIMATE.start_main_~y~0 1) 0) (+ ULTIMATE.start_main_~y~0 1) (+ (* 2 ULTIMATE.start_main_~x~0) 1))) (>= oldRank0 (ite (> (+ ULTIMATE.start_main_~y~0 1) 0) 1 0)))))} is VALID [2020-07-29 01:26:50,828 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 01:26:50,839 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:26:50,854 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:26:50,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 01:26:50,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:50,866 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-07-29 01:26:50,868 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2020-07-29 01:26:51,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2020-07-29 01:26:51,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:26:51,006 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:26:51,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 01:26:51,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:26:51,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:26:51,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:26:51,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 01:26:51,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:26:51,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:26:51,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:26:51,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. [2020-07-29 01:26:51,015 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:26:51,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:26:51,017 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 11 states. [2020-07-29 01:26:51,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:26:51,020 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:26:51,020 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 01:26:51,023 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:26:51,023 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:26:51,024 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 24 states and 31 transitions. cyclomatic complexity: 8 [2020-07-29 01:26:51,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. cyclomatic complexity: 8 [2020-07-29 01:26:51,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:26:51,024 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:26:51,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 01:26:51,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 01:26:51,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 1 letters. [2020-07-29 01:26:51,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:51,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:51,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:51,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 24 letters. Loop has 24 letters. [2020-07-29 01:26:51,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 24 letters. Loop has 24 letters. [2020-07-29 01:26:51,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 8 Stem has 24 letters. Loop has 24 letters. [2020-07-29 01:26:51,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 01:26:51,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 01:26:51,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 8 Stem has 11 letters. Loop has 11 letters. [2020-07-29 01:26:51,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:26:51,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:26:51,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:26:51,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 01:26:51,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 01:26:51,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 1 letters. [2020-07-29 01:26:51,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:26:51,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:26:51,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 8 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:26:51,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:51,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:51,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:51,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,035 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:26:51,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:26:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2020-07-29 01:26:51,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2020-07-29 01:26:51,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 1 letters. [2020-07-29 01:26:51,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:26:51,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:51,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. cyclomatic complexity: 8 [2020-07-29 01:26:51,044 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:26:51,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-07-29 01:26:51,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:26:51,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:26:51,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:26:51,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:26:51,050 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:26:51,051 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:26:51,051 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:26:51,051 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:26:51,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:26:51,051 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:26:51,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:26:51,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:26:51 BoogieIcfgContainer [2020-07-29 01:26:51,059 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:26:51,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:26:51,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:26:51,060 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:26:51,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:26:46" (3/4) ... [2020-07-29 01:26:51,064 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:26:51,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:26:51,068 INFO L168 Benchmark]: Toolchain (without parser) took 5704.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 954.8 MB in the beginning and 921.9 MB in the end (delta: 33.0 MB). Peak memory consumption was 224.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:51,069 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:26:51,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.19 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:51,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.71 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:26:51,071 INFO L168 Benchmark]: Boogie Preprocessor took 77.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:51,072 INFO L168 Benchmark]: RCFGBuilder took 323.20 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:51,073 INFO L168 Benchmark]: BuchiAutomizer took 5015.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 928.5 MB in the end (delta: 156.9 MB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:51,074 INFO L168 Benchmark]: Witness Printer took 5.68 ms. Allocated memory is still 1.2 GB. Free memory was 928.5 MB in the beginning and 921.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:51,078 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 236.19 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 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 39.71 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 323.20 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5015.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 928.5 MB in the end (delta: 156.9 MB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.68 ms. Allocated memory is still 1.2 GB. Free memory was 928.5 MB in the beginning and 921.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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 2-phase ranking function (if y + 1 > 0 then 1 else 0), (if y + 1 > 0 then y + 1 else 2 * x + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 17 SDtfs, 17 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax129 hnf96 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf95 smp100 dnf157 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 110ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...