./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e1ff0e6 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/MinusUserDefined.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 096bafbba8d51323312e8aef69baa45c66c17c65b2ec8717873d6ff292690721 --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 02:25:08,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 02:25:08,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 02:25:09,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 02:25:09,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 02:25:09,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 02:25:09,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 02:25:09,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 02:25:09,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 02:25:09,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 02:25:09,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 02:25:09,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 02:25:09,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 02:25:09,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 02:25:09,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 02:25:09,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 02:25:09,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 02:25:09,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 02:25:09,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 02:25:09,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 02:25:09,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 02:25:09,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 02:25:09,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 02:25:09,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 02:25:09,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 02:25:09,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 02:25:09,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 02:25:09,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 02:25:09,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 02:25:09,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 02:25:09,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 02:25:09,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 02:25:09,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 02:25:09,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 02:25:09,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 02:25:09,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 02:25:09,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 02:25:09,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 02:25:09,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 02:25:09,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 02:25:09,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 02:25:09,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-15 02:25:09,099 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 02:25:09,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 02:25:09,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 02:25:09,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 02:25:09,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 02:25:09,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 02:25:09,101 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 02:25:09,101 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-15 02:25:09,101 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-15 02:25:09,101 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-15 02:25:09,102 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-15 02:25:09,102 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-15 02:25:09,102 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-15 02:25:09,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 02:25:09,102 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 02:25:09,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 02:25:09,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 02:25:09,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-15 02:25:09,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-15 02:25:09,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-15 02:25:09,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 02:25:09,103 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-15 02:25:09,103 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 02:25:09,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-15 02:25:09,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 02:25:09,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 02:25:09,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 02:25:09,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 02:25:09,104 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-15 02:25:09,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096bafbba8d51323312e8aef69baa45c66c17c65b2ec8717873d6ff292690721 [2023-02-15 02:25:09,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 02:25:09,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 02:25:09,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 02:25:09,337 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 02:25:09,337 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 02:25:09,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c [2023-02-15 02:25:10,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 02:25:10,548 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 02:25:10,549 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/MinusUserDefined.c [2023-02-15 02:25:10,553 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314bf74cd/b11ecdfb107e4759b9294e3b936ca15d/FLAG71994344c [2023-02-15 02:25:10,563 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314bf74cd/b11ecdfb107e4759b9294e3b936ca15d [2023-02-15 02:25:10,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 02:25:10,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 02:25:10,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 02:25:10,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 02:25:10,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 02:25:10,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc98d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10, skipping insertion in model container [2023-02-15 02:25:10,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 02:25:10,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 02:25:10,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:25:10,672 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 02:25:10,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:25:10,688 INFO L208 MainTranslator]: Completed translation [2023-02-15 02:25:10,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10 WrapperNode [2023-02-15 02:25:10,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 02:25:10,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 02:25:10,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 02:25:10,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 02:25:10,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,708 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-02-15 02:25:10,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 02:25:10,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 02:25:10,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 02:25:10,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 02:25:10,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,720 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 02:25:10,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 02:25:10,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 02:25:10,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 02:25:10,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (1/1) ... [2023-02-15 02:25:10,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:10,746 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 02:25:10,760 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 02:25:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 02:25:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 02:25:10,866 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 02:25:10,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 02:25:10,957 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 02:25:10,963 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 02:25:10,963 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-02-15 02:25:10,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:25:10 BoogieIcfgContainer [2023-02-15 02:25:10,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 02:25:10,965 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-15 02:25:10,965 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-15 02:25:10,968 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-15 02:25:10,969 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:25:10,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.02 02:25:10" (1/3) ... [2023-02-15 02:25:10,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63806722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:25:10, skipping insertion in model container [2023-02-15 02:25:10,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:25:10,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:25:10" (2/3) ... [2023-02-15 02:25:10,970 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63806722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:25:10, skipping insertion in model container [2023-02-15 02:25:10,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:25:10,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:25:10" (3/3) ... [2023-02-15 02:25:10,971 INFO L332 chiAutomizerObserver]: Analyzing ICFG MinusUserDefined.c [2023-02-15 02:25:11,021 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-15 02:25:11,022 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-15 02:25:11,022 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-15 02:25:11,022 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-15 02:25:11,022 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-15 02:25:11,022 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-15 02:25:11,022 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-15 02:25:11,023 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-15 02:25:11,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 02:25:11,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-02-15 02:25:11,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:25:11,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:25:11,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-15 02:25:11,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-15 02:25:11,045 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-15 02:25:11,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 02:25:11,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-02-15 02:25:11,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:25:11,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:25:11,048 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-15 02:25:11,048 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-15 02:25:11,055 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~res~0#1 := 0; 6#L13-2true [2023-02-15 02:25:11,055 INFO L750 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 6#L13-2true [2023-02-15 02:25:11,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:11,063 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-02-15 02:25:11,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:25:11,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69859006] [2023-02-15 02:25:11,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:25:11,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:25:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:11,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:25:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:11,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:25:11,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:11,167 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2023-02-15 02:25:11,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:25:11,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501971155] [2023-02-15 02:25:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:25:11,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:25:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:11,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:25:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:11,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:25:11,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:11,177 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-02-15 02:25:11,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:25:11,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226450523] [2023-02-15 02:25:11,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:25:11,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:25:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:11,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:25:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:11,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:25:11,224 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:25:11,225 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:25:11,225 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:25:11,225 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:25:11,225 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:25:11,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:25:11,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:25:11,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration1_Loop [2023-02-15 02:25:11,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:25:11,225 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:25:11,236 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 02:25:11,243 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 02:25:11,247 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 02:25:11,252 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 02:25:11,306 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:25:11,307 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:25:11,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:11,325 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 02:25:11,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:25:11,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:11,350 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 02:25:11,366 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:25:11,366 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 02:25:11,393 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 02:25:11,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:11,394 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 02:25:11,397 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 02:25:11,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:25:11,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:11,420 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:25:11,420 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 02:25:11,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-02-15 02:25:11,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:11,427 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 02:25:11,429 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 02:25:11,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:25:11,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:11,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-15 02:25:11,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:11,459 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 02:25:11,462 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 02:25:11,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:25:11,464 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:11,509 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 02:25:11,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-15 02:25:11,514 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:25:11,514 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:25:11,514 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:25:11,514 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:25:11,514 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:25:11,514 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,515 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:25:11,515 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:25:11,515 INFO L133 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration1_Loop [2023-02-15 02:25:11,515 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:25:11,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:25:11,517 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 02:25:11,521 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 02:25:11,538 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 02:25:11,544 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 02:25:11,637 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:25:11,646 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:25:11,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:11,658 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 02:25:11,661 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 02:25:11,662 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 02:25:11,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:25:11,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:25:11,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:25:11,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:25:11,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:25:11,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:25:11,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:25:11,703 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 02:25:11,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:11,705 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 02:25:11,715 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 02:25:11,716 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 02:25:11,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:25:11,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:25:11,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:25:11,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:25:11,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:25:11,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:25:11,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:25:11,768 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 02:25:11,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:11,770 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 02:25:11,772 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 02:25:11,774 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 02:25:11,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:25:11,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:25:11,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:25:11,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:25:11,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:25:11,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:25:11,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:25:11,804 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:25:11,807 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-15 02:25:11,807 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 02:25:11,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:11,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:11,864 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 02:25:11,865 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 02:25:11,866 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:25:11,866 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 02:25:11,866 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:25:11,867 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-02-15 02:25:11,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-02-15 02:25:11,876 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 02:25:11,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:25:11,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:25:11,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:25:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:25:11,928 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 02:25:11,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:25:11,929 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 02:25:11,956 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-15 02:25:11,957 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 02:25:12,014 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 40 transitions. Complement of second has 5 states. [2023-02-15 02:25:12,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 02:25:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 02:25:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2023-02-15 02:25:12,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 2 letters. Loop has 1 letters. [2023-02-15 02:25:12,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:25:12,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-15 02:25:12,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:25:12,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-15 02:25:12,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:25:12,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 40 transitions. [2023-02-15 02:25:12,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:25:12,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 10 states and 17 transitions. [2023-02-15 02:25:12,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-15 02:25:12,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-02-15 02:25:12,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 17 transitions. [2023-02-15 02:25:12,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 02:25:12,035 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 17 transitions. [2023-02-15 02:25:12,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 17 transitions. [2023-02-15 02:25:12,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-02-15 02:25:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 8 states have internal predecessors, (16), 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 02:25:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 16 transitions. [2023-02-15 02:25:12,054 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 16 transitions. [2023-02-15 02:25:12,054 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 16 transitions. [2023-02-15 02:25:12,054 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-15 02:25:12,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 16 transitions. [2023-02-15 02:25:12,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:25:12,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:25:12,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:25:12,056 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-15 02:25:12,057 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 02:25:12,057 INFO L748 eck$LassoCheckResult]: Stem: 70#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 71#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, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~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;main_~res~0#1 := 0; 68#L13-2 assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0); 64#L21-3 [2023-02-15 02:25:12,057 INFO L750 eck$LassoCheckResult]: Loop: 64#L21-3 assume !!(main_~x~0#1 > 0);main_~y~0#1 := 1 + main_~y~0#1;main_~res~0#1 := 1 + main_~res~0#1; 65#L21-2 assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0); 64#L21-3 [2023-02-15 02:25:12,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:12,062 INFO L85 PathProgramCache]: Analyzing trace with hash 29862, now seen corresponding path program 1 times [2023-02-15 02:25:12,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:25:12,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766008368] [2023-02-15 02:25:12,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:25:12,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:25:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:12,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:25:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:12,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:25:12,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:12,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1672, now seen corresponding path program 1 times [2023-02-15 02:25:12,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:25:12,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152409090] [2023-02-15 02:25:12,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:25:12,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:25:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:12,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:25:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:12,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:25:12,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:12,099 INFO L85 PathProgramCache]: Analyzing trace with hash 28698093, now seen corresponding path program 1 times [2023-02-15 02:25:12,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:25:12,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905108390] [2023-02-15 02:25:12,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:25:12,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:25:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:12,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:25:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:12,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:25:12,136 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:25:12,137 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:25:12,137 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:25:12,137 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:25:12,137 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:25:12,137 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,137 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:25:12,137 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:25:12,137 INFO L133 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration2_Loop [2023-02-15 02:25:12,137 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:25:12,138 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:25:12,139 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 02:25:12,141 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 02:25:12,143 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 02:25:12,146 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 02:25:12,150 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 02:25:12,184 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:25:12,185 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:25:12,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,186 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 02:25:12,188 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 02:25:12,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:25:12,190 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:12,212 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:25:12,212 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 02:25:12,218 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 02:25:12,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,219 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 02:25:12,221 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 02:25:12,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:25:12,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:12,244 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:25:12,245 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:25:12,263 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 02:25:12,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,266 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 02:25:12,268 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 02:25:12,269 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:25:12,269 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:12,285 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 02:25:12,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,286 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 02:25:12,289 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 02:25:12,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:25:12,290 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:12,341 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:25:12,341 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0#1=1}, {ULTIMATE.start_main_~res~0#1=0}, {ULTIMATE.start_main_~res~0#1=0}] Lambdas: [1, 12, 0] Nus: [1, 0] [2023-02-15 02:25:12,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-15 02:25:12,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,350 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 02:25:12,352 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 02:25:12,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:25:12,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:12,382 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 02:25:12,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,384 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 02:25:12,386 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 02:25:12,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:25:12,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:12,451 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 02:25:12,456 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 02:25:12,457 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:25:12,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:25:12,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:25:12,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:25:12,457 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:25:12,457 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,457 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:25:12,457 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:25:12,457 INFO L133 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration2_Loop [2023-02-15 02:25:12,457 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:25:12,457 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:25:12,458 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 02:25:12,471 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 02:25:12,474 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 02:25:12,476 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 02:25:12,481 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 02:25:12,532 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:25:12,532 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:25:12,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,547 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 02:25:12,564 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 02:25:12,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:25:12,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:25:12,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:25:12,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:25:12,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:25:12,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:25:12,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:25:12,577 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 02:25:12,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:25:12,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-15 02:25:12,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,594 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 02:25:12,596 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 02:25:12,598 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 02:25:12,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:25:12,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:25:12,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:25:12,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:25:12,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:25:12,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:25:12,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:25:12,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:25:12,639 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 02:25:12,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,661 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 02:25:12,717 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 02:25:12,725 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 02:25:12,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:25:12,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:25:12,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:25:12,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:25:12,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:25:12,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:25:12,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:25:12,755 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 02:25:12,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,756 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 02:25:12,758 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 02:25:12,782 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 02:25:12,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:25:12,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:25:12,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:25:12,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:25:12,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:25:12,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:25:12,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:25:12,804 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:25:12,807 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-15 02:25:12,807 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 02:25:12,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:12,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:12,810 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 02:25:12,815 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 02:25:12,815 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:25:12,816 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 02:25:12,816 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:25:12,816 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-15 02:25:12,821 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 02:25:12,822 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 02:25:12,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:25:12,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:25:12,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:25:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:25:12,866 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 02:25:12,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:25:12,889 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 02:25:12,890 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 02:25:12,890 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 16 transitions. cyclomatic complexity: 10 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 02:25:12,906 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 16 transitions. cyclomatic complexity: 10. 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 23 states and 35 transitions. Complement of second has 7 states. [2023-02-15 02:25:12,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-15 02:25:12,907 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 02:25:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-02-15 02:25:12,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-15 02:25:12,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:25:12,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-15 02:25:12,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:25:12,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2023-02-15 02:25:12,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:25:12,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2023-02-15 02:25:12,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:25:12,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 16 states and 24 transitions. [2023-02-15 02:25:12,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-15 02:25:12,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-15 02:25:12,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 24 transitions. [2023-02-15 02:25:12,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 02:25:12,910 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 24 transitions. [2023-02-15 02:25:12,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 24 transitions. [2023-02-15 02:25:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-02-15 02:25:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 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 02:25:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 24 transitions. [2023-02-15 02:25:12,912 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 24 transitions. [2023-02-15 02:25:12,912 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2023-02-15 02:25:12,912 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-15 02:25:12,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 24 transitions. [2023-02-15 02:25:12,913 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:25:12,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:25:12,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:25:12,913 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2023-02-15 02:25:12,913 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 02:25:12,913 INFO L748 eck$LassoCheckResult]: Stem: 141#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 142#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~res~0#1 := 0; 138#L13-2 assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0); 139#L21-3 assume !!(main_~x~0#1 > 0);main_~y~0#1 := 1 + main_~y~0#1;main_~res~0#1 := 1 + main_~res~0#1; 149#L21-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 146#L21-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 144#L21-2 assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0); 134#L21-3 [2023-02-15 02:25:12,914 INFO L750 eck$LassoCheckResult]: Loop: 134#L21-3 assume !!(main_~x~0#1 > 0);main_~y~0#1 := 1 + main_~y~0#1;main_~res~0#1 := 1 + main_~res~0#1; 135#L21-2 assume !(main_~x~0#1 > 0 && main_~y~0#1 > 0); 134#L21-3 [2023-02-15 02:25:12,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:12,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1809066509, now seen corresponding path program 1 times [2023-02-15 02:25:12,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:25:12,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793907179] [2023-02-15 02:25:12,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:25:12,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:25:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:25:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:25:12,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:25:12,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793907179] [2023-02-15 02:25:12,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793907179] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:25:12,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:25:12,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 02:25:12,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098518347] [2023-02-15 02:25:12,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:25:12,976 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-15 02:25:12,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:12,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1672, now seen corresponding path program 2 times [2023-02-15 02:25:12,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:25:12,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052064283] [2023-02-15 02:25:12,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:25:12,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:25:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:12,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:25:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:25:12,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:25:13,005 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:25:13,006 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:25:13,006 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:25:13,006 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:25:13,006 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:25:13,006 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:13,006 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:25:13,006 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:25:13,006 INFO L133 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration3_Loop [2023-02-15 02:25:13,006 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:25:13,006 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:25:13,007 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 02:25:13,010 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 02:25:13,014 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 02:25:13,016 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 02:25:13,018 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 02:25:13,049 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:25:13,049 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:25:13,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:13,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:13,056 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 02:25:13,057 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 02:25:13,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:25:13,060 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:13,087 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:25:13,087 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:25:13,093 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 02:25:13,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:13,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:13,094 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 02:25:13,096 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 02:25:13,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:25:13,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:13,145 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 02:25:13,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:13,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:13,146 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 02:25:13,148 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 02:25:13,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:25:13,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:25:13,209 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 02:25:13,213 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 02:25:13,214 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:25:13,214 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:25:13,214 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:25:13,214 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:25:13,214 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:25:13,214 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:13,214 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:25:13,214 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:25:13,214 INFO L133 ssoRankerPreferences]: Filename of dumped script: MinusUserDefined.c_Iteration3_Loop [2023-02-15 02:25:13,214 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:25:13,214 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:25:13,215 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 02:25:13,219 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 02:25:13,223 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 02:25:13,226 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 02:25:13,228 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 02:25:13,256 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:25:13,256 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:25:13,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:13,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:13,259 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 02:25:13,273 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 02:25:13,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:25:13,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:25:13,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:25:13,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:25:13,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:25:13,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:25:13,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:25:13,283 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 02:25:13,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:25:13,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-15 02:25:13,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:13,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:13,297 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 02:25:13,313 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 02:25:13,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:25:13,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:25:13,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:25:13,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:25:13,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:25:13,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:25:13,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:25:13,324 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 02:25:13,332 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:25:13,335 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-15 02:25:13,335 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 02:25:13,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:25:13,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:25:13,338 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 02:25:13,339 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 02:25:13,340 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:25:13,340 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 02:25:13,340 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:25:13,340 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-15 02:25:13,344 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 02:25:13,345 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 02:25:13,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:25:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:25:13,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:25:13,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:25:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:25:13,394 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 02:25:13,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:25:13,408 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 02:25:13,408 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 02:25:13,408 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 24 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 02:25:13,431 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 24 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 44 states and 66 transitions. Complement of second has 7 states. [2023-02-15 02:25:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-15 02:25:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 02:25:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-02-15 02:25:13,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-15 02:25:13,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:25:13,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2023-02-15 02:25:13,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:25:13,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2023-02-15 02:25:13,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:25:13,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 66 transitions. [2023-02-15 02:25:13,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-15 02:25:13,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 31 states and 46 transitions. [2023-02-15 02:25:13,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-15 02:25:13,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-15 02:25:13,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 46 transitions. [2023-02-15 02:25:13,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-15 02:25:13,436 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 46 transitions. [2023-02-15 02:25:13,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 46 transitions. [2023-02-15 02:25:13,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 20. [2023-02-15 02:25:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 states have internal predecessors, (31), 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 02:25:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 31 transitions. [2023-02-15 02:25:13,438 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 31 transitions. [2023-02-15 02:25:13,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:25:13,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:25:13,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:25:13,441 INFO L87 Difference]: Start difference. First operand 20 states and 31 transitions. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 02:25:13,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:25:13,468 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2023-02-15 02:25:13,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2023-02-15 02:25:13,469 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:25:13,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2023-02-15 02:25:13,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-15 02:25:13,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-15 02:25:13,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-15 02:25:13,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-15 02:25:13,469 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:25:13,469 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:25:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 02:25:13,470 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:25:13,470 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-15 02:25:13,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-15 02:25:13,470 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:25:13,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-15 02:25:13,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.02 02:25:13 BoogieIcfgContainer [2023-02-15 02:25:13,477 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-15 02:25:13,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 02:25:13,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 02:25:13,477 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 02:25:13,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:25:10" (3/4) ... [2023-02-15 02:25:13,491 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 02:25:13,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-02-15 02:25:13,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-15 02:25:13,497 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 02:25:13,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 02:25:13,498 INFO L158 Benchmark]: Toolchain (without parser) took 2929.81ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 119.2MB in the beginning and 207.6MB in the end (delta: -88.4MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2023-02-15 02:25:13,498 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory was 137.7MB in the beginning and 137.5MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:25:13,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 119.96ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 109.9MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 02:25:13,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.93ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:25:13,499 INFO L158 Benchmark]: Boogie Preprocessor took 11.92ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 976.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:25:13,499 INFO L158 Benchmark]: RCFGBuilder took 242.72ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 98.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 02:25:13,499 INFO L158 Benchmark]: BuchiAutomizer took 2511.46ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 58.1MB in the end (delta: 40.5MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-02-15 02:25:13,500 INFO L158 Benchmark]: Witness Printer took 19.65ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 58.1MB in the beginning and 207.6MB in the end (delta: -149.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-02-15 02:25:13,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory was 137.7MB in the beginning and 137.5MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 119.96ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 109.9MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.93ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.92ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 976.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 242.72ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 98.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2511.46ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 58.1MB in the end (delta: 40.5MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Witness Printer took 19.65ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 58.1MB in the beginning and 207.6MB in the end (delta: -149.5MB). Peak memory consumption was 4.8MB. 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function -1 * y and consists of 4 locations. One deterministic module has affine ranking function -1 * y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 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, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 20 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax164 hnf100 lsp34 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp100 dnf100 smp100 tf112 neg96 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 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 02:25:13,515 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