./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 a31fd051 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-?-a31fd05 [2023-02-15 14:13:35,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 14:13:35,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 14:13:35,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 14:13:35,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 14:13:35,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 14:13:35,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 14:13:35,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 14:13:35,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 14:13:35,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 14:13:35,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 14:13:35,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 14:13:35,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 14:13:35,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 14:13:35,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 14:13:35,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 14:13:35,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 14:13:35,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 14:13:35,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 14:13:35,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 14:13:35,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 14:13:35,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 14:13:35,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 14:13:35,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 14:13:35,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 14:13:35,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 14:13:35,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 14:13:35,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 14:13:35,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 14:13:35,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 14:13:35,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 14:13:35,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 14:13:35,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 14:13:35,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 14:13:35,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 14:13:35,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 14:13:35,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 14:13:35,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 14:13:35,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 14:13:35,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 14:13:35,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 14:13:35,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-15 14:13:35,803 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 14:13:35,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 14:13:35,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 14:13:35,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 14:13:35,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 14:13:35,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 14:13:35,805 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 14:13:35,806 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-15 14:13:35,806 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-15 14:13:35,806 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-15 14:13:35,807 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-15 14:13:35,807 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-15 14:13:35,807 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-15 14:13:35,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 14:13:35,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 14:13:35,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 14:13:35,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 14:13:35,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-15 14:13:35,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-15 14:13:35,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-15 14:13:35,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 14:13:35,809 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-15 14:13:35,809 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 14:13:35,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-15 14:13:35,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 14:13:35,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 14:13:35,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 14:13:35,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 14:13:35,811 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-15 14:13:35,812 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 [2023-02-15 14:13:36,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 14:13:36,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 14:13:36,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 14:13:36,115 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 14:13:36,116 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 14:13:36,117 INFO L432 ainManager$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 14:13:37,285 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 14:13:37,452 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 14:13:37,452 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2023-02-15 14:13:37,457 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be4a1d7e/e23d2b606f42453c8431fdbbc3ee0a30/FLAG26415e6be [2023-02-15 14:13:37,474 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be4a1d7e/e23d2b606f42453c8431fdbbc3ee0a30 [2023-02-15 14:13:37,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 14:13:37,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 14:13:37,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 14:13:37,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 14:13:37,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 14:13:37,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577bc8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37, skipping insertion in model container [2023-02-15 14:13:37,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 14:13:37,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 14:13:37,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 14:13:37,643 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 14:13:37,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 14:13:37,667 INFO L208 MainTranslator]: Completed translation [2023-02-15 14:13:37,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37 WrapperNode [2023-02-15 14:13:37,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 14:13:37,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 14:13:37,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 14:13:37,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 14:13:37,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,694 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-02-15 14:13:37,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 14:13:37,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 14:13:37,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 14:13:37,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 14:13:37,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 14:13:37,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 14:13:37,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 14:13:37,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 14:13:37,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (1/1) ... [2023-02-15 14:13:37,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:37,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:37,750 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 14:13:37,777 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 14:13:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 14:13:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 14:13:37,853 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 14:13:37,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 14:13:37,948 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 14:13:37,953 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 14:13:37,954 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 14:13:37,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:13:37 BoogieIcfgContainer [2023-02-15 14:13:37,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 14:13:37,956 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-15 14:13:37,956 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-15 14:13:37,960 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-15 14:13:37,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 14:13:37,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.02 02:13:37" (1/3) ... [2023-02-15 14:13:37,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e66eddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:13:37, skipping insertion in model container [2023-02-15 14:13:37,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 14:13:37,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:37" (2/3) ... [2023-02-15 14:13:37,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e66eddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:13:37, skipping insertion in model container [2023-02-15 14:13:37,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 14:13:37,963 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:13:37" (3/3) ... [2023-02-15 14:13:37,964 INFO L332 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2023-02-15 14:13:38,019 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-15 14:13:38,021 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-15 14:13:38,021 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-15 14:13:38,021 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-15 14:13:38,021 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-15 14:13:38,021 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-15 14:13:38,021 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-15 14:13:38,022 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-15 14:13:38,025 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 14:13:38,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-02-15 14:13:38,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 14:13:38,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 14:13:38,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-15 14:13:38,080 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 14:13:38,080 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-15 14:13:38,080 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 14:13:38,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-02-15 14:13:38,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 14:13:38,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 14:13:38,082 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-15 14:13:38,082 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-15 14:13:38,088 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~i~0#1, main_~r~0#1, main_~N~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~i~0#1;havoc main_~r~0#1;havoc main_~N~0#1;main_~N~0#1 := 10;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~i~0#1 := 0; 5#L22-1true [2023-02-15 14:13:38,101 INFO L750 eck$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 14:13:38,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:13:38,106 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-02-15 14:13:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:13:38,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571039360] [2023-02-15 14:13:38,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:13:38,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:13:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 14:13:38,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 14:13:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 14:13:38,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 14:13:38,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:13:38,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1339, now seen corresponding path program 1 times [2023-02-15 14:13:38,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:13:38,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018689822] [2023-02-15 14:13:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:13:38,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:13:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 14:13:38,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 14:13:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 14:13:38,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 14:13:38,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:13:38,205 INFO L85 PathProgramCache]: Analyzing trace with hash 925821, now seen corresponding path program 1 times [2023-02-15 14:13:38,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:13:38,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190136869] [2023-02-15 14:13:38,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:13:38,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:13:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 14:13:38,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 14:13:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 14:13:38,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 14:13:38,290 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 14:13:38,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 14:13:38,291 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 14:13:38,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 14:13:38,291 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 14:13:38,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:38,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 14:13:38,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 14:13:38,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2023-02-15 14:13:38,292 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 14:13:38,292 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 14:13:38,322 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 14:13:38,348 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 14:13:38,351 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 14:13:38,361 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 14:13:38,434 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 14:13:38,434 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 14:13:38,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:38,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:38,439 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 14:13:38,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 14:13:38,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 14:13:38,469 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 14:13:38,473 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 14:13:38,474 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 14:13:38,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-02-15 14:13:38,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:38,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:38,484 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 14:13:38,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 14:13:38,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 14:13:38,514 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 14:13:38,517 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 14:13:38,517 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 14:13:38,524 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 14:13:38,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:38,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:38,526 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 14:13:38,529 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 14:13:38,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 14:13:38,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 14:13:38,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 14:13:38,561 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 14:13:38,568 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 14:13:38,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:38,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:38,570 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 14:13:38,573 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 14:13:38,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 14:13:38,594 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 14:13:38,620 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 14:13:38,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:38,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:38,623 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 14:13:38,624 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 14:13:38,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 14:13:38,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 14:13:38,737 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 14:13:38,744 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 14:13:38,744 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 14:13:38,744 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 14:13:38,745 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 14:13:38,745 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 14:13:38,745 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 14:13:38,745 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:38,745 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 14:13:38,745 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 14:13:38,745 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2023-02-15 14:13:38,745 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 14:13:38,745 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 14:13:38,747 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 14:13:38,759 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 14:13:38,764 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 14:13:38,772 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 14:13:38,849 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 14:13:38,868 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 14:13:38,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:38,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:38,871 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 14:13:38,888 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 14:13:38,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 14:13:38,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 14:13:38,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 14:13:38,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 14:13:38,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 14:13:38,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 14:13:38,912 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 14:13:38,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 14:13:38,932 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 14:13:38,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:38,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:38,934 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 14:13:38,936 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 14:13:38,938 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 14:13:38,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 14:13:38,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 14:13:38,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 14:13:38,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 14:13:38,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 14:13:38,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 14:13:38,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 14:13:38,999 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 14:13:39,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:39,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:39,004 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 14:13:39,006 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 14:13:39,008 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 14:13:39,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 14:13:39,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 14:13:39,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 14:13:39,017 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-02-15 14:13:39,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 14:13:39,020 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-15 14:13:39,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 14:13:39,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 14:13:39,052 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 14:13:39,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:39,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:39,054 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 14:13:39,060 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 14:13:39,061 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 14:13:39,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 14:13:39,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 14:13:39,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 14:13:39,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 14:13:39,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 14:13:39,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 14:13:39,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 14:13:39,084 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 14:13:39,089 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-15 14:13:39,089 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-15 14:13:39,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 14:13:39,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:13:39,146 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 14:13:39,149 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 14:13:39,150 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 14:13:39,150 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 14:13:39,150 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 14:13:39,151 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 14:13:39,157 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 14:13:39,161 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 14:13:39,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:13:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:13:39,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 14:13:39,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:13:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:13:39,223 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 14:13:39,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:13:39,262 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 14:13:39,294 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 14:13:39,295 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 14:13:39,338 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 14:13:39,340 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 14:13:39,344 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 14:13:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2023-02-15 14:13:39,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-15 14:13:39,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 14:13:39,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-15 14:13:39,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 14:13:39,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-15 14:13:39,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 14:13:39,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 41 transitions. [2023-02-15 14:13:39,350 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 14:13:39,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2023-02-15 14:13:39,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-15 14:13:39,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-15 14:13:39,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-15 14:13:39,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-15 14:13:39,353 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 14:13:39,353 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 14:13:39,354 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 14:13:39,354 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-15 14:13:39,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-15 14:13:39,354 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 14:13:39,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-15 14:13:39,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.02 02:13:39 BoogieIcfgContainer [2023-02-15 14:13:39,365 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-15 14:13:39,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 14:13:39,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 14:13:39,367 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 14:13:39,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:13:37" (3/4) ... [2023-02-15 14:13:39,370 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 14:13:39,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 14:13:39,371 INFO L158 Benchmark]: Toolchain (without parser) took 1892.91ms. Allocated memory is still 161.5MB. Free memory was 125.5MB in the beginning and 81.1MB in the end (delta: 44.5MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-02-15 14:13:39,372 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 14:13:39,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.56ms. Allocated memory is still 161.5MB. Free memory was 125.5MB in the beginning and 116.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 14:13:39,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.77ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 115.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 14:13:39,381 INFO L158 Benchmark]: Boogie Preprocessor took 22.40ms. Allocated memory is still 161.5MB. Free memory was 115.0MB in the beginning and 113.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 14:13:39,382 INFO L158 Benchmark]: RCFGBuilder took 236.10ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 104.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 14:13:39,382 INFO L158 Benchmark]: BuchiAutomizer took 1409.17ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 81.1MB in the end (delta: 23.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-02-15 14:13:39,382 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 161.5MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 14:13:39,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.56ms. Allocated memory is still 161.5MB. Free memory was 125.5MB in the beginning and 116.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.77ms. Allocated memory is still 161.5MB. Free memory was 116.5MB in the beginning and 115.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.40ms. Allocated memory is still 161.5MB. Free memory was 115.0MB in the beginning and 113.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 236.10ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 104.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1409.17ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 81.1MB in the end (delta: 23.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 161.5MB. Free memory is still 81.1MB. 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 hnf100 smp100 dnf133 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms 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 14:13:39,409 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 14:13:39,609 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