./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.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-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.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 ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 02:23:05,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 02:23:05,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 02:23:05,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 02:23:05,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 02:23:05,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 02:23:05,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 02:23:05,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 02:23:05,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 02:23:05,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 02:23:05,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 02:23:05,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 02:23:05,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 02:23:05,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 02:23:05,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 02:23:05,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 02:23:05,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 02:23:05,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 02:23:05,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 02:23:05,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 02:23:05,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 02:23:05,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 02:23:05,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 02:23:05,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 02:23:05,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 02:23:05,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 02:23:05,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 02:23:05,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 02:23:05,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 02:23:05,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 02:23:05,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 02:23:05,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 02:23:05,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 02:23:05,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 02:23:05,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 02:23:05,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 02:23:05,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 02:23:05,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 02:23:05,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 02:23:05,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 02:23:05,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 02:23:05,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-15 02:23:05,796 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 02:23:05,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 02:23:05,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 02:23:05,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 02:23:05,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 02:23:05,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 02:23:05,798 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 02:23:05,798 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-15 02:23:05,799 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-15 02:23:05,799 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-15 02:23:05,799 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-15 02:23:05,800 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-15 02:23:05,800 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-15 02:23:05,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 02:23:05,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 02:23:05,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 02:23:05,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 02:23:05,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-15 02:23:05,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-15 02:23:05,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-15 02:23:05,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 02:23:05,801 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-15 02:23:05,801 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 02:23:05,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-15 02:23:05,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 02:23:05,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 02:23:05,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 02:23:05,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 02:23:05,804 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-15 02:23:05,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 [2023-02-15 02:23:06,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 02:23:06,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 02:23:06,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 02:23:06,026 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 02:23:06,027 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 02:23:06,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2023-02-15 02:23:07,103 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 02:23:07,286 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 02:23:07,286 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2023-02-15 02:23:07,291 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7285acc02/1c9023b63e9945208aa8eec863a99d7d/FLAG33b788db7 [2023-02-15 02:23:07,307 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7285acc02/1c9023b63e9945208aa8eec863a99d7d [2023-02-15 02:23:07,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 02:23:07,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 02:23:07,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 02:23:07,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 02:23:07,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 02:23:07,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320bda4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07, skipping insertion in model container [2023-02-15 02:23:07,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 02:23:07,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 02:23:07,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:23:07,492 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 02:23:07,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:23:07,533 INFO L208 MainTranslator]: Completed translation [2023-02-15 02:23:07,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07 WrapperNode [2023-02-15 02:23:07,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 02:23:07,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 02:23:07,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 02:23:07,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 02:23:07,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,560 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-02-15 02:23:07,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 02:23:07,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 02:23:07,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 02:23:07,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 02:23:07,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,576 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 02:23:07,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 02:23:07,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 02:23:07,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 02:23:07,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (1/1) ... [2023-02-15 02:23:07,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:07,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:07,609 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 02:23:07,612 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 02:23:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 02:23:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 02:23:07,702 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 02:23:07,703 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 02:23:07,765 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 02:23:07,772 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 02:23:07,772 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 02:23:07,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:23:07 BoogieIcfgContainer [2023-02-15 02:23:07,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 02:23:07,775 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-15 02:23:07,775 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-15 02:23:07,779 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-15 02:23:07,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:23:07,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.02 02:23:07" (1/3) ... [2023-02-15 02:23:07,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@403ce00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:23:07, skipping insertion in model container [2023-02-15 02:23:07,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:23:07,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:23:07" (2/3) ... [2023-02-15 02:23:07,781 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@403ce00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:23:07, skipping insertion in model container [2023-02-15 02:23:07,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:23:07,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:23:07" (3/3) ... [2023-02-15 02:23:07,782 INFO L332 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2023-02-15 02:23:07,858 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-15 02:23:07,859 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-15 02:23:07,859 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-15 02:23:07,859 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-15 02:23:07,859 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-15 02:23:07,859 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-15 02:23:07,860 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-15 02:23:07,860 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-15 02:23:07,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 02:23:07,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-02-15 02:23:07,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:23:07,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:23:07,890 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-15 02:23:07,890 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 02:23:07,891 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-15 02:23:07,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 02:23:07,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-02-15 02:23:07,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:23:07,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:23:07,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-15 02:23:07,894 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 02:23:07,900 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~i~0#1, main_~r~0#1, main_~N~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~i~0#1;havoc main_~r~0#1;havoc main_~N~0#1;main_~N~0#1 := 10;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~i~0#1 := 0; 5#L22-1true [2023-02-15 02:23:07,901 INFO L750 eck$LassoCheckResult]: Loop: 5#L22-1true assume !!(main_~i~0#1 < main_~N~0#1);main_~i~0#1 := 1 + main_~i~0#1;main_~r~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 4#L22true assume !(main_~r~0#1 >= 0 && main_~r~0#1 <= 3); 5#L22-1true [2023-02-15 02:23:07,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:23:07,907 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-02-15 02:23:07,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:23:07,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383417707] [2023-02-15 02:23:07,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:23:07,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:23:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:23:08,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:23:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:23:08,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:23:08,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:23:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1339, now seen corresponding path program 1 times [2023-02-15 02:23:08,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:23:08,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225169448] [2023-02-15 02:23:08,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:23:08,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:23:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:23:08,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:23:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:23:08,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:23:08,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:23:08,063 INFO L85 PathProgramCache]: Analyzing trace with hash 925821, now seen corresponding path program 1 times [2023-02-15 02:23:08,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:23:08,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989280162] [2023-02-15 02:23:08,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:23:08,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:23:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:23:08,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:23:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:23:08,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:23:08,206 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:23:08,207 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:23:08,207 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:23:08,207 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:23:08,207 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:23:08,207 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,208 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:23:08,208 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:23:08,208 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2023-02-15 02:23:08,208 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:23:08,208 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:23:08,224 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 02:23:08,234 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 02:23:08,237 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 02:23:08,246 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 02:23:08,322 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:23:08,323 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:23:08,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,327 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 02:23:08,328 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 02:23:08,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:23:08,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:23:08,371 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:23:08,372 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 02:23:08,387 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 02:23:08,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,395 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 02:23:08,401 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 02:23:08,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:23:08,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:23:08,428 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:23:08,428 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 02:23:08,436 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 02:23:08,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,438 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 02:23:08,447 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 02:23:08,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:23:08,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:23:08,465 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:23:08,465 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=5, ULTIMATE.start_main_~r~0#1=5} Honda state: {ULTIMATE.start_main_#t~nondet0#1=5, ULTIMATE.start_main_~r~0#1=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:23:08,469 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 02:23:08,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,470 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 02:23:08,472 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 02:23:08,474 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:23:08,474 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:23:08,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-02-15 02:23:08,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,502 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 02:23:08,505 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 02:23:08,506 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:23:08,506 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:23:08,619 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 02:23:08,623 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 02:23:08,623 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:23:08,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:23:08,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:23:08,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:23:08,624 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:23:08,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:23:08,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:23:08,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2023-02-15 02:23:08,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:23:08,624 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:23:08,626 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 02:23:08,640 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 02:23:08,644 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 02:23:08,653 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 02:23:08,733 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:23:08,737 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:23:08,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,741 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 02:23:08,745 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 02:23:08,746 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 02:23:08,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:23:08,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:23:08,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:23:08,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:23:08,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:23:08,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:23:08,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:23:08,783 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 02:23:08,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,784 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 02:23:08,786 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 02:23:08,788 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 02:23:08,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:23:08,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:23:08,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:23:08,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:23:08,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:23:08,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:23:08,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:23:08,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-15 02:23:08,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,824 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 02:23:08,826 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 02:23:08,827 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 02:23:08,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:23:08,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:23:08,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:23:08,835 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-02-15 02:23:08,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:23:08,837 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-15 02:23:08,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:23:08,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:23:08,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-15 02:23:08,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,869 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 02:23:08,870 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 02:23:08,873 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 02:23:08,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:23:08,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:23:08,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:23:08,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:23:08,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:23:08,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:23:08,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:23:08,893 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:23:08,901 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-15 02:23:08,901 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 02:23:08,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:23:08,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:23:08,946 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 02:23:08,947 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 02:23:08,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:23:08,949 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 02:23:08,949 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:23:08,949 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~N~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~N~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-15 02:23:08,953 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 02:23:08,957 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 02:23:08,987 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 02:23:08,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:23:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:23:09,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:23:09,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:23:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:23:09,022 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 02:23:09,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:23:09,064 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 02:23:09,090 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 02:23:09,092 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:23:09,136 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 41 transitions. Complement of second has 5 states. [2023-02-15 02:23:09,139 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 02:23:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:23:09,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2023-02-15 02:23:09,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-15 02:23:09,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:23:09,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-15 02:23:09,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:23:09,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-15 02:23:09,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:23:09,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 41 transitions. [2023-02-15 02:23:09,155 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:23:09,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2023-02-15 02:23:09,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-15 02:23:09,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-15 02:23:09,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-15 02:23:09,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-15 02:23:09,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:23:09,159 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:23:09,159 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:23:09,159 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-15 02:23:09,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-15 02:23:09,159 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:23:09,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-15 02:23:09,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.02 02:23:09 BoogieIcfgContainer [2023-02-15 02:23:09,167 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-15 02:23:09,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 02:23:09,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 02:23:09,168 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 02:23:09,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:23:07" (3/4) ... [2023-02-15 02:23:09,171 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 02:23:09,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 02:23:09,171 INFO L158 Benchmark]: Toolchain (without parser) took 1860.55ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 50.9MB in the beginning and 111.0MB in the end (delta: -60.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:23:09,172 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:23:09,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.85ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 50.7MB in the beginning and 122.5MB in the end (delta: -71.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-15 02:23:09,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.14ms. Allocated memory is still 151.0MB. Free memory was 122.5MB in the beginning and 121.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:23:09,173 INFO L158 Benchmark]: Boogie Preprocessor took 15.52ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 120.4MB in the end (delta: 950.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:23:09,174 INFO L158 Benchmark]: RCFGBuilder took 196.64ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 111.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 02:23:09,174 INFO L158 Benchmark]: BuchiAutomizer took 1392.20ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 111.0MB in the end (delta: 248.7kB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2023-02-15 02:23:09,174 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 151.0MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:23:09,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.85ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 50.7MB in the beginning and 122.5MB in the end (delta: -71.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.14ms. Allocated memory is still 151.0MB. Free memory was 122.5MB in the beginning and 121.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.52ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 120.4MB in the end (delta: 950.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 196.64ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 111.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1392.20ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 111.0MB in the end (delta: 248.7kB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 151.0MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf141 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 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 02:23:09,200 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