./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaA10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e8d55036 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-restricted-15/PastaA10.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 a22779a8a894423533dbeca4f6e8ce4ed32ee44c52235b9a9f0eb9a867d565b5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 23:15:53,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 23:15:53,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 23:15:53,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 23:15:53,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 23:15:53,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 23:15:53,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 23:15:53,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 23:15:53,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 23:15:53,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 23:15:53,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 23:15:53,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 23:15:53,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 23:15:53,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 23:15:53,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 23:15:53,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 23:15:53,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 23:15:53,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 23:15:53,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 23:15:53,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 23:15:53,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 23:15:53,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 23:15:53,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 23:15:53,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 23:15:53,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 23:15:53,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 23:15:53,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 23:15:53,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 23:15:53,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 23:15:53,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 23:15:53,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 23:15:53,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 23:15:53,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 23:15:53,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 23:15:53,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 23:15:53,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 23:15:53,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 23:15:53,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 23:15:53,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 23:15:53,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 23:15:53,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 23:15:53,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-15 23:15:53,244 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 23:15:53,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 23:15:53,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 23:15:53,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 23:15:53,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 23:15:53,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 23:15:53,245 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 23:15:53,245 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-15 23:15:53,245 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-15 23:15:53,246 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-15 23:15:53,246 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-15 23:15:53,246 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-15 23:15:53,246 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-15 23:15:53,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 23:15:53,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 23:15:53,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 23:15:53,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 23:15:53,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-15 23:15:53,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-15 23:15:53,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-15 23:15:53,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 23:15:53,247 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-15 23:15:53,247 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 23:15:53,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-15 23:15:53,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 23:15:53,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 23:15:53,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 23:15:53,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 23:15:53,249 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-15 23:15:53,249 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22779a8a894423533dbeca4f6e8ce4ed32ee44c52235b9a9f0eb9a867d565b5 [2023-02-15 23:15:53,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 23:15:53,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 23:15:53,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 23:15:53,466 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 23:15:53,466 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 23:15:53,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaA10.c [2023-02-15 23:15:54,378 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 23:15:54,482 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 23:15:54,482 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaA10.c [2023-02-15 23:15:54,486 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4287e373b/bf8bd68b9d80454bb2695298554c16bb/FLAG951f24722 [2023-02-15 23:15:54,496 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4287e373b/bf8bd68b9d80454bb2695298554c16bb [2023-02-15 23:15:54,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 23:15:54,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 23:15:54,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 23:15:54,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 23:15:54,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 23:15:54,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a98e121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54, skipping insertion in model container [2023-02-15 23:15:54,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 23:15:54,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 23:15:54,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:15:54,612 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 23:15:54,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:15:54,628 INFO L208 MainTranslator]: Completed translation [2023-02-15 23:15:54,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54 WrapperNode [2023-02-15 23:15:54,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 23:15:54,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 23:15:54,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 23:15:54,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 23:15:54,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,649 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2023-02-15 23:15:54,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 23:15:54,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 23:15:54,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 23:15:54,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 23:15:54,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,660 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 23:15:54,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 23:15:54,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 23:15:54,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 23:15:54,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (1/1) ... [2023-02-15 23:15:54,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:54,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:54,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 23:15:54,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-02-15 23:15:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 23:15:54,801 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 23:15:54,803 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 23:15:54,863 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 23:15:54,868 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 23:15:54,868 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 23:15:54,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:15:54 BoogieIcfgContainer [2023-02-15 23:15:54,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 23:15:54,871 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-15 23:15:54,871 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-15 23:15:54,873 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-15 23:15:54,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 23:15:54,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.02 11:15:54" (1/3) ... [2023-02-15 23:15:54,875 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f39c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 11:15:54, skipping insertion in model container [2023-02-15 23:15:54,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 23:15:54,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:15:54" (2/3) ... [2023-02-15 23:15:54,875 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f39c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 11:15:54, skipping insertion in model container [2023-02-15 23:15:54,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 23:15:54,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:15:54" (3/3) ... [2023-02-15 23:15:54,877 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaA10.c [2023-02-15 23:15:54,928 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-15 23:15:54,929 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-15 23:15:54,929 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-15 23:15:54,929 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-15 23:15:54,929 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-15 23:15:54,929 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-15 23:15:54,929 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-15 23:15:54,930 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-15 23:15:54,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:54,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 23:15:54,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 23:15:54,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 23:15:54,953 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-15 23:15:54,954 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 23:15:54,954 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-15 23:15:54,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:54,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 23:15:54,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 23:15:54,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 23:15:54,956 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-15 23:15:54,956 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 23:15:54,961 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2#L12-2true [2023-02-15 23:15:54,961 INFO L750 eck$LassoCheckResult]: Loop: 2#L12-2true assume !!(main_~x~0#1 != main_~y~0#1); 8#L12true assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := 1 + main_~x~0#1; 2#L12-2true [2023-02-15 23:15:54,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:54,966 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-02-15 23:15:54,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:54,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892113789] [2023-02-15 23:15:54,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:54,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:55,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:55,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2023-02-15 23:15:55,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:55,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470735986] [2023-02-15 23:15:55,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:55,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:55,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:55,079 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-02-15 23:15:55,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:55,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374847500] [2023-02-15 23:15:55,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:55,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:55,174 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 23:15:55,175 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 23:15:55,175 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 23:15:55,175 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 23:15:55,175 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 23:15:55,175 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,175 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 23:15:55,176 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 23:15:55,176 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration1_Loop [2023-02-15 23:15:55,176 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 23:15:55,176 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 23:15:55,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:55,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:55,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:55,250 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 23:15:55,250 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 23:15:55,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:55,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:55,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-15 23:15:55,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 23:15:55,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:55,277 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 23:15:55,277 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: [] [2023-02-15 23:15:55,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:55,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:55,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:55,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-15 23:15:55,289 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 23:15:55,289 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:55,309 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 23:15:55,309 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: [] [2023-02-15 23:15:55,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-15 23:15:55,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:55,319 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:55,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-15 23:15:55,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 23:15:55,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:55,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-15 23:15:55,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:55,348 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:55,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-15 23:15:55,351 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 23:15:55,352 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:55,454 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 23:15:55,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:55,460 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 23:15:55,460 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 23:15:55,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 23:15:55,460 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 23:15:55,460 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 23:15:55,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 23:15:55,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 23:15:55,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration1_Loop [2023-02-15 23:15:55,460 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 23:15:55,460 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 23:15:55,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:55,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:55,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:55,530 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 23:15:55,533 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 23:15:55,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:55,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:55,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-15 23:15:55,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-15 23:15:55,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 23:15:55,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 23:15:55,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 23:15:55,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 23:15:55,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 23:15:55,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 23:15:55,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 23:15:55,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:55,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:55,590 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:55,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-15 23:15:55,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-15 23:15:55,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 23:15:55,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 23:15:55,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 23:15:55,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 23:15:55,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 23:15:55,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 23:15:55,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 23:15:55,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:55,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:55,636 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:55,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-15 23:15:55,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-15 23:15:55,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 23:15:55,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 23:15:55,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 23:15:55,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 23:15:55,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 23:15:55,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 23:15:55,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 23:15:55,664 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 23:15:55,668 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-15 23:15:55,668 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 23:15:55,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:55,709 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:55,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-15 23:15:55,713 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 23:15:55,713 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 23:15:55,713 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 23:15:55,714 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-02-15 23:15:55,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:55,719 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 23:15:55,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:55,769 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 23:15:55,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:55,790 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 23:15:55,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:55,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:15:55,832 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-15 23:15:55,834 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:55,874 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 8 states. [2023-02-15 23:15:55,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-15 23:15:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2023-02-15 23:15:55,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-15 23:15:55,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:55,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-15 23:15:55,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:55,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-15 23:15:55,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:55,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2023-02-15 23:15:55,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 23:15:55,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2023-02-15 23:15:55,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-15 23:15:55,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-02-15 23:15:55,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2023-02-15 23:15:55,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 23:15:55,888 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-15 23:15:55,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2023-02-15 23:15:55,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-02-15 23:15:55,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:55,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-02-15 23:15:55,904 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-15 23:15:55,904 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-15 23:15:55,904 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-15 23:15:55,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2023-02-15 23:15:55,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 23:15:55,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 23:15:55,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 23:15:55,905 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-15 23:15:55,905 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 23:15:55,905 INFO L748 eck$LassoCheckResult]: Stem: 76#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 77#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 78#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 75#L12 assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1; 71#L12-2 [2023-02-15 23:15:55,905 INFO L750 eck$LassoCheckResult]: Loop: 71#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 72#L12 assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := 1 + main_~x~0#1; 71#L12-2 [2023-02-15 23:15:55,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:55,906 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2023-02-15 23:15:55,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:55,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281714297] [2023-02-15 23:15:55,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:55,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:55,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2023-02-15 23:15:55,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:55,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571440857] [2023-02-15 23:15:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:55,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:55,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:55,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:55,919 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2023-02-15 23:15:55,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:55,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377760338] [2023-02-15 23:15:55,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:55,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:15:55,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:15:55,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377760338] [2023-02-15 23:15:55,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377760338] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:15:55,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:15:55,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:15:55,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197678672] [2023-02-15 23:15:55,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:15:55,987 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 23:15:55,988 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 23:15:55,988 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 23:15:55,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 23:15:55,988 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 23:15:55,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:55,988 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 23:15:55,988 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 23:15:55,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration2_Loop [2023-02-15 23:15:55,988 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 23:15:55,989 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 23:15:55,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:55,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:55,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-15 23:15:56,045 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 23:15:56,045 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 23:15:56,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,046 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-15 23:15:56,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 23:15:56,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:56,071 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 23:15:56,071 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 23:15:56,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:56,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,098 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 23:15:56,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:56,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-15 23:15:56,113 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 23:15:56,113 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 23:15:56,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:56,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,118 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-15 23:15:56,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 23:15:56,120 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:56,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:56,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,138 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-15 23:15:56,142 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 23:15:56,142 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:56,256 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 23:15:56,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-02-15 23:15:56,259 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 23:15:56,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 23:15:56,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 23:15:56,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 23:15:56,260 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 23:15:56,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,260 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 23:15:56,260 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 23:15:56,260 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration2_Loop [2023-02-15 23:15:56,260 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 23:15:56,260 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 23:15:56,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,323 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 23:15:56,324 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 23:15:56,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,325 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-15 23:15:56,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-15 23:15:56,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 23:15:56,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 23:15:56,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 23:15:56,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 23:15:56,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 23:15:56,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 23:15:56,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 23:15:56,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:56,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,362 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-15 23:15:56,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-15 23:15:56,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 23:15:56,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 23:15:56,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 23:15:56,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 23:15:56,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 23:15:56,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 23:15:56,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 23:15:56,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:56,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,428 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-15 23:15:56,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-15 23:15:56,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 23:15:56,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 23:15:56,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 23:15:56,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 23:15:56,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 23:15:56,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 23:15:56,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 23:15:56,454 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 23:15:56,457 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-15 23:15:56,457 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 23:15:56,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,459 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-15 23:15:56,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 23:15:56,465 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 23:15:56,465 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 23:15:56,465 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~x~0#1 + 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-15 23:15:56,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-15 23:15:56,471 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 23:15:56,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:56,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 23:15:56,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:56,492 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 23:15:56,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:15:56,504 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-15 23:15:56,504 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:56,512 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2023-02-15 23:15:56,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 23:15:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-02-15 23:15:56,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-15 23:15:56,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:56,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2023-02-15 23:15:56,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:56,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2023-02-15 23:15:56,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:56,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2023-02-15 23:15:56,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 23:15:56,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2023-02-15 23:15:56,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-15 23:15:56,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-15 23:15:56,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2023-02-15 23:15:56,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 23:15:56,515 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2023-02-15 23:15:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2023-02-15 23:15:56,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-02-15 23:15:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2023-02-15 23:15:56,517 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2023-02-15 23:15:56,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:15:56,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:15:56,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:15:56,519 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:56,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:15:56,530 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2023-02-15 23:15:56,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2023-02-15 23:15:56,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 23:15:56,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 10 states and 12 transitions. [2023-02-15 23:15:56,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-02-15 23:15:56,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-15 23:15:56,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2023-02-15 23:15:56,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 23:15:56,531 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2023-02-15 23:15:56,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2023-02-15 23:15:56,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 7. [2023-02-15 23:15:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-02-15 23:15:56,532 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-02-15 23:15:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:15:56,533 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-02-15 23:15:56,533 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-15 23:15:56,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2023-02-15 23:15:56,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 23:15:56,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 23:15:56,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 23:15:56,533 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-15 23:15:56,534 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 23:15:56,534 INFO L748 eck$LassoCheckResult]: Stem: 158#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 160#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 155#L12 [2023-02-15 23:15:56,534 INFO L750 eck$LassoCheckResult]: Loop: 155#L12 assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1; 154#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 155#L12 [2023-02-15 23:15:56,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:56,534 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-02-15 23:15:56,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:56,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046351270] [2023-02-15 23:15:56,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:56,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:56,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:56,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:56,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:56,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 1 times [2023-02-15 23:15:56,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:56,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217006050] [2023-02-15 23:15:56,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:56,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:56,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:56,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:56,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:56,546 INFO L85 PathProgramCache]: Analyzing trace with hash 28699749, now seen corresponding path program 2 times [2023-02-15 23:15:56,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:56,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362505831] [2023-02-15 23:15:56,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:56,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:56,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:56,580 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 23:15:56,580 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 23:15:56,580 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 23:15:56,580 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 23:15:56,581 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 23:15:56,581 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,581 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 23:15:56,581 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 23:15:56,581 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration3_Loop [2023-02-15 23:15:56,581 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 23:15:56,581 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 23:15:56,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,626 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 23:15:56,626 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 23:15:56,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,628 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-15 23:15:56,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 23:15:56,632 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:56,657 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 23:15:56,658 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 23:15:56,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:56,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,678 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-15 23:15:56,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 23:15:56,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:56,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:56,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,715 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 23:15:56,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:56,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-15 23:15:56,935 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 23:15:56,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:56,938 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 23:15:56,939 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 23:15:56,939 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 23:15:56,939 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 23:15:56,939 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 23:15:56,939 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,939 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 23:15:56,939 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 23:15:56,939 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration3_Loop [2023-02-15 23:15:56,939 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 23:15:56,939 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 23:15:56,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:56,996 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 23:15:56,996 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 23:15:56,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:56,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:56,997 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:56,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-15 23:15:57,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-15 23:15:57,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 23:15:57,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 23:15:57,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 23:15:57,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 23:15:57,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 23:15:57,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 23:15:57,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 23:15:57,024 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 23:15:57,027 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-15 23:15:57,027 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-15 23:15:57,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:57,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:57,032 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:57,037 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 23:15:57,038 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 23:15:57,038 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 23:15:57,038 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-02-15 23:15:57,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-15 23:15:57,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:57,044 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 23:15:57,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:57,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 23:15:57,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:57,066 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 23:15:57,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:15:57,091 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-15 23:15:57,091 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,100 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 14 transitions. Complement of second has 5 states. [2023-02-15 23:15:57,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 23:15:57,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2023-02-15 23:15:57,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-15 23:15:57,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:57,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-15 23:15:57,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:57,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2023-02-15 23:15:57,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:57,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2023-02-15 23:15:57,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 23:15:57,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 9 transitions. [2023-02-15 23:15:57,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-15 23:15:57,103 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-15 23:15:57,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2023-02-15 23:15:57,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 23:15:57,104 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2023-02-15 23:15:57,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2023-02-15 23:15:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-02-15 23:15:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-02-15 23:15:57,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-15 23:15:57,105 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-15 23:15:57,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-15 23:15:57,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2023-02-15 23:15:57,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 23:15:57,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 23:15:57,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 23:15:57,106 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2023-02-15 23:15:57,106 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 23:15:57,106 INFO L748 eck$LassoCheckResult]: Stem: 212#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 213#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 208#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 209#L12 assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := 1 + main_~x~0#1; 210#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 211#L12 [2023-02-15 23:15:57,106 INFO L750 eck$LassoCheckResult]: Loop: 211#L12 assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1; 214#L12-2 assume !!(main_~x~0#1 != main_~y~0#1); 211#L12 [2023-02-15 23:15:57,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:57,106 INFO L85 PathProgramCache]: Analyzing trace with hash 28699811, now seen corresponding path program 2 times [2023-02-15 23:15:57,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:57,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569364892] [2023-02-15 23:15:57,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:57,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:57,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:57,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:57,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:57,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 2 times [2023-02-15 23:15:57,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:57,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111977177] [2023-02-15 23:15:57,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:57,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:57,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 23:15:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 23:15:57,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 23:15:57,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:57,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715040, now seen corresponding path program 2 times [2023-02-15 23:15:57,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:15:57,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283766070] [2023-02-15 23:15:57,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:15:57,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:15:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:15:57,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:15:57,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283766070] [2023-02-15 23:15:57,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283766070] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:15:57,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:15:57,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:15:57,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562149760] [2023-02-15 23:15:57,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:15:57,177 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 23:15:57,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 23:15:57,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 23:15:57,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 23:15:57,177 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 23:15:57,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:57,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 23:15:57,177 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 23:15:57,177 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration4_Loop [2023-02-15 23:15:57,177 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 23:15:57,177 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 23:15:57,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:57,182 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:57,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:57,213 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 23:15:57,213 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 23:15:57,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:57,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:57,214 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:57,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-15 23:15:57,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 23:15:57,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:57,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:57,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:57,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:57,249 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:57,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-15 23:15:57,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 23:15:57,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 23:15:57,475 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 23:15:57,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-02-15 23:15:57,479 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 23:15:57,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 23:15:57,479 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 23:15:57,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 23:15:57,480 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 23:15:57,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:57,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 23:15:57,480 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 23:15:57,480 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA10.c_Iteration4_Loop [2023-02-15 23:15:57,480 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 23:15:57,480 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 23:15:57,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:57,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:57,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 23:15:57,527 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 23:15:57,527 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 23:15:57,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:57,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:57,528 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:57,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-15 23:15:57,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-15 23:15:57,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 23:15:57,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 23:15:57,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 23:15:57,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 23:15:57,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 23:15:57,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 23:15:57,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 23:15:57,554 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 23:15:57,557 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-15 23:15:57,557 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 23:15:57,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 23:15:57,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:15:57,558 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-15 23:15:57,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-15 23:15:57,562 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 23:15:57,562 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 23:15:57,562 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 23:15:57,562 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-15 23:15:57,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-02-15 23:15:57,566 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 23:15:57,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:57,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 23:15:57,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:57,598 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 23:15:57,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:15:57,618 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-15 23:15:57,618 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,623 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8 states and 9 transitions. Complement of second has 3 states. [2023-02-15 23:15:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2023-02-15 23:15:57,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2023-02-15 23:15:57,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-15 23:15:57,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:57,625 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-15 23:15:57,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:57,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 23:15:57,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:57,643 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 23:15:57,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:15:57,658 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-15 23:15:57,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,663 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8 states and 9 transitions. Complement of second has 3 states. [2023-02-15 23:15:57,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2023-02-15 23:15:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2023-02-15 23:15:57,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-15 23:15:57,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:57,665 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-15 23:15:57,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:15:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:57,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 23:15:57,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:15:57,695 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 23:15:57,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:15:57,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:15:57,722 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-15 23:15:57,722 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:57,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:57,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-15 23:15:57,740 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 10 transitions. Complement of second has 4 states. [2023-02-15 23:15:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 23:15:57,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-02-15 23:15:57,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-15 23:15:57,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:57,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-15 23:15:57,744 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:57,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2023-02-15 23:15:57,744 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 23:15:57,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2023-02-15 23:15:57,744 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 23:15:57,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2023-02-15 23:15:57,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-15 23:15:57,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-15 23:15:57,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-15 23:15:57,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-15 23:15:57,745 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 23:15:57,745 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 23:15:57,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:15:57,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:15:57,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:15:57,745 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:15:57,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:15:57,745 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-02-15 23:15:57,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-02-15 23:15:57,746 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 23:15:57,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 23:15:57,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-15 23:15:57,746 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-15 23:15:57,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-15 23:15:57,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-15 23:15:57,746 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 23:15:57,746 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 23:15:57,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 23:15:57,746 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 23:15:57,746 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-15 23:15:57,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-15 23:15:57,746 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 23:15:57,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-15 23:15:57,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.02 11:15:57 BoogieIcfgContainer [2023-02-15 23:15:57,751 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-15 23:15:57,752 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 23:15:57,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 23:15:57,752 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 23:15:57,752 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:15:54" (3/4) ... [2023-02-15 23:15:57,758 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 23:15:57,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 23:15:57,760 INFO L158 Benchmark]: Toolchain (without parser) took 3259.89ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 111.1MB in the beginning and 146.2MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 23:15:57,760 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 73.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 23:15:57,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 129.15ms. Allocated memory is still 148.9MB. Free memory was 111.1MB in the beginning and 102.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 23:15:57,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.92ms. Allocated memory is still 148.9MB. Free memory was 102.1MB in the beginning and 100.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 23:15:57,761 INFO L158 Benchmark]: Boogie Preprocessor took 11.82ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 99.5MB in the end (delta: 938.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 23:15:57,762 INFO L158 Benchmark]: RCFGBuilder took 207.84ms. Allocated memory is still 148.9MB. Free memory was 99.5MB in the beginning and 116.3MB in the end (delta: -16.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-15 23:15:57,763 INFO L158 Benchmark]: BuchiAutomizer took 2880.88ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 115.7MB in the beginning and 147.2MB in the end (delta: -31.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2023-02-15 23:15:57,763 INFO L158 Benchmark]: Witness Printer took 6.51ms. Allocated memory is still 182.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 23:15:57,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 73.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 129.15ms. Allocated memory is still 148.9MB. Free memory was 111.1MB in the beginning and 102.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.92ms. Allocated memory is still 148.9MB. Free memory was 102.1MB in the beginning and 100.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.82ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 99.5MB in the end (delta: 938.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 207.84ms. Allocated memory is still 148.9MB. Free memory was 99.5MB in the beginning and 116.3MB in the end (delta: -16.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2880.88ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 115.7MB in the beginning and 147.2MB in the end (delta: -31.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 6.51ms. Allocated memory is still 182.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function y + -1 * x and consists of 5 locations. One deterministic module has affine ranking function -1 * x + y and consists of 3 locations. One deterministic module has affine ranking function -1 * y + x and consists of 3 locations. One nondeterministic module has affine ranking function x + -1 * y and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 29 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax182 hnf100 lsp54 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf95 smp68 dnf100 smp100 tf112 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-15 23:15:57,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE