./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.13.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 574ddb4e Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/b.13.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 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-19 00:18:06,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-19 00:18:06,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-19 00:18:07,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-19 00:18:07,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-19 00:18:07,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-19 00:18:07,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-19 00:18:07,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-19 00:18:07,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-19 00:18:07,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-19 00:18:07,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-19 00:18:07,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-19 00:18:07,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-19 00:18:07,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-19 00:18:07,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-19 00:18:07,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-19 00:18:07,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-19 00:18:07,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-19 00:18:07,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-19 00:18:07,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-19 00:18:07,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-19 00:18:07,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-19 00:18:07,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-19 00:18:07,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-19 00:18:07,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-19 00:18:07,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-19 00:18:07,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-19 00:18:07,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-19 00:18:07,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-19 00:18:07,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-19 00:18:07,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-19 00:18:07,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-19 00:18:07,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-19 00:18:07,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-19 00:18:07,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-19 00:18:07,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-19 00:18:07,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-19 00:18:07,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-19 00:18:07,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-19 00:18:07,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-19 00:18:07,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-19 00:18:07,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-19 00:18:07,105 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-19 00:18:07,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-19 00:18:07,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-19 00:18:07,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-19 00:18:07,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-19 00:18:07,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-19 00:18:07,107 INFO L138 SettingsManager]: * Use SBE=true [2023-02-19 00:18:07,108 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-19 00:18:07,108 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-19 00:18:07,108 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-19 00:18:07,109 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-19 00:18:07,109 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-19 00:18:07,109 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-19 00:18:07,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-19 00:18:07,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-19 00:18:07,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-19 00:18:07,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-19 00:18:07,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-19 00:18:07,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-19 00:18:07,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-19 00:18:07,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-19 00:18:07,110 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-19 00:18:07,111 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-19 00:18:07,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-19 00:18:07,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-19 00:18:07,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-19 00:18:07,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-19 00:18:07,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-19 00:18:07,113 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-19 00:18:07,113 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a [2023-02-19 00:18:07,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-19 00:18:07,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-19 00:18:07,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-19 00:18:07,324 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-19 00:18:07,325 INFO L275 PluginConnector]: CDTParser initialized [2023-02-19 00:18:07,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.13.c [2023-02-19 00:18:08,389 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-19 00:18:08,545 INFO L351 CDTParser]: Found 1 translation units. [2023-02-19 00:18:08,546 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.13.c [2023-02-19 00:18:08,549 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6e3c3616/252f5240dc9040418d76381bc4fb1f3f/FLAG62850835a [2023-02-19 00:18:08,559 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6e3c3616/252f5240dc9040418d76381bc4fb1f3f [2023-02-19 00:18:08,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-19 00:18:08,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-19 00:18:08,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-19 00:18:08,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-19 00:18:08,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-19 00:18:08,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebde9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08, skipping insertion in model container [2023-02-19 00:18:08,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-19 00:18:08,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-19 00:18:08,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-19 00:18:08,686 INFO L203 MainTranslator]: Completed pre-run [2023-02-19 00:18:08,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-19 00:18:08,704 INFO L208 MainTranslator]: Completed translation [2023-02-19 00:18:08,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08 WrapperNode [2023-02-19 00:18:08,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-19 00:18:08,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-19 00:18:08,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-19 00:18:08,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-19 00:18:08,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,726 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2023-02-19 00:18:08,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-19 00:18:08,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-19 00:18:08,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-19 00:18:08,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-19 00:18:08,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,737 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-19 00:18:08,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-19 00:18:08,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-19 00:18:08,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-19 00:18:08,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (1/1) ... [2023-02-19 00:18:08,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:08,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:08,763 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) [2023-02-19 00:18:08,769 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 [2023-02-19 00:18:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-19 00:18:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-19 00:18:08,856 INFO L235 CfgBuilder]: Building ICFG [2023-02-19 00:18:08,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-19 00:18:08,918 INFO L276 CfgBuilder]: Performing block encoding [2023-02-19 00:18:08,923 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-19 00:18:08,924 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-19 00:18:08,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:18:08 BoogieIcfgContainer [2023-02-19 00:18:08,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-19 00:18:08,926 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-19 00:18:08,927 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-19 00:18:08,929 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-19 00:18:08,929 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:18:08,930 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.02 12:18:08" (1/3) ... [2023-02-19 00:18:08,930 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d68f4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.02 12:18:08, skipping insertion in model container [2023-02-19 00:18:08,930 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:18:08,931 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:18:08" (2/3) ... [2023-02-19 00:18:08,931 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d68f4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.02 12:18:08, skipping insertion in model container [2023-02-19 00:18:08,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:18:08,931 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:18:08" (3/3) ... [2023-02-19 00:18:08,933 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.13.c [2023-02-19 00:18:08,982 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-19 00:18:08,983 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-19 00:18:08,983 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-19 00:18:08,983 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-19 00:18:08,983 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-19 00:18:08,983 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-19 00:18:08,983 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-19 00:18:08,984 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-19 00:18:08,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2023-02-19 00:18:09,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:18:09,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:18:09,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:18:09,010 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-19 00:18:09,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-19 00:18:09,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-19 00:18:09,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2023-02-19 00:18:09,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:18:09,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:18:09,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:18:09,012 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-19 00:18:09,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-19 00:18:09,018 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 8#L16-2true [2023-02-19 00:18:09,019 INFO L750 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 5#L13true assume main_~x~0#1 > main_~z~0#1;main_~x~0#1 := main_~x~0#1 - 1; 8#L16-2true [2023-02-19 00:18:09,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:09,023 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-02-19 00:18:09,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:18:09,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871497194] [2023-02-19 00:18:09,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:18:09,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:18:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:18:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:18:09,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:09,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2023-02-19 00:18:09,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:18:09,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525775746] [2023-02-19 00:18:09,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:18:09,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:18:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:18:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:18:09,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:09,118 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2023-02-19 00:18:09,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:18:09,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422912668] [2023-02-19 00:18:09,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:18:09,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:18:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:18:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:18:09,145 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:18:09,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:18:09,146 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:18:09,146 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:18:09,146 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:18:09,146 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:18:09,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:18:09,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration1_Loop [2023-02-19 00:18:09,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:18:09,147 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:18:09,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:09,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:09,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:09,205 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:18:09,207 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:18:09,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:09,215 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) [2023-02-19 00:18:09,216 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 [2023-02-19 00:18:09,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:18:09,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:18:09,241 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 [2023-02-19 00:18:09,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:09,243 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) [2023-02-19 00:18:09,245 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 [2023-02-19 00:18:09,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:18:09,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:18:09,423 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:18:09,426 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 [2023-02-19 00:18:09,427 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:18:09,427 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:18:09,427 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:18:09,427 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:18:09,427 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:18:09,427 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,427 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:18:09,427 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:18:09,427 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration1_Loop [2023-02-19 00:18:09,427 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:18:09,427 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:18:09,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:09,433 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:09,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:09,443 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:18:09,446 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:18:09,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:09,459 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) [2023-02-19 00:18:09,460 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 [2023-02-19 00:18:09,463 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 [2023-02-19 00:18:09,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:18:09,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:18:09,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:18:09,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:18:09,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:18:09,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:18:09,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:18:09,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:18:09,489 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:18:09,489 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:18:09,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:09,536 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) [2023-02-19 00:18:09,537 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 [2023-02-19 00:18:09,538 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:18:09,538 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:18:09,539 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:18:09,539 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2023-02-19 00:18:09,550 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 [2023-02-19 00:18:09,552 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:18:09,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:18:09,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:18:09,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:18:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:18:09,607 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:18:09,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:18:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:18:09,627 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-19 00:18:09,629 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2023-02-19 00:18:09,668 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 35 transitions. Complement of second has 5 states. [2023-02-19 00:18:09,670 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 [2023-02-19 00:18:09,675 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) [2023-02-19 00:18:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-02-19 00:18:09,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-19 00:18:09,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:18:09,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-19 00:18:09,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:18:09,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-19 00:18:09,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:18:09,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. [2023-02-19 00:18:09,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:18:09,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 11 states and 16 transitions. [2023-02-19 00:18:09,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-19 00:18:09,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-02-19 00:18:09,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2023-02-19 00:18:09,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:18:09,683 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2023-02-19 00:18:09,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2023-02-19 00:18:09,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2023-02-19 00:18:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 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) [2023-02-19 00:18:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2023-02-19 00:18:09,701 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2023-02-19 00:18:09,701 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2023-02-19 00:18:09,701 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-19 00:18:09,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2023-02-19 00:18:09,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:18:09,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:18:09,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:18:09,702 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-19 00:18:09,702 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:18:09,703 INFO L748 eck$LassoCheckResult]: Stem: 74#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 75#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 76#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 71#L13 [2023-02-19 00:18:09,703 INFO L750 eck$LassoCheckResult]: Loop: 71#L13 assume !(main_~x~0#1 > main_~z~0#1); 67#L16 assume main_~y~0#1 > main_~z~0#1;main_~y~0#1 := main_~y~0#1 - 1; 68#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 71#L13 [2023-02-19 00:18:09,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:09,703 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-02-19 00:18:09,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:18:09,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528837744] [2023-02-19 00:18:09,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:18:09,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:18:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:18:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:18:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:09,714 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2023-02-19 00:18:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:18:09,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832491375] [2023-02-19 00:18:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:18:09,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:18:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:18:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:18:09,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2023-02-19 00:18:09,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:18:09,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738935183] [2023-02-19 00:18:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:18:09,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:18:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:18:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:09,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:18:09,743 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:18:09,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:18:09,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:18:09,743 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:18:09,743 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:18:09,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:18:09,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:18:09,744 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration2_Loop [2023-02-19 00:18:09,744 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:18:09,744 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:18:09,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:09,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:09,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:09,750 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:18:09,750 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:18:09,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:09,751 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) [2023-02-19 00:18:09,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:18:09,761 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:18:09,773 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 [2023-02-19 00:18:09,775 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:18:09,775 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:18:09,778 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 [2023-02-19 00:18:09,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:09,780 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) [2023-02-19 00:18:09,797 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 [2023-02-19 00:18:09,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:18:09,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:18:09,808 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 [2023-02-19 00:18:09,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:09,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:09,810 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) [2023-02-19 00:18:09,811 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 [2023-02-19 00:18:09,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:18:09,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:18:10,100 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:18:10,105 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 [2023-02-19 00:18:10,109 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:18:10,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:18:10,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:18:10,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:18:10,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:18:10,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:10,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:18:10,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:18:10,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration2_Loop [2023-02-19 00:18:10,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:18:10,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:18:10,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:10,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:10,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:18:10,121 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:18:10,131 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:18:10,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:10,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:10,134 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) [2023-02-19 00:18:10,135 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 [2023-02-19 00:18:10,138 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 [2023-02-19 00:18:10,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:18:10,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:18:10,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:18:10,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:18:10,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:18:10,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:18:10,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:18:10,154 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:18:10,160 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:18:10,161 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:18:10,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:18:10,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:18:10,162 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) [2023-02-19 00:18:10,163 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 [2023-02-19 00:18:10,165 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:18:10,165 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:18:10,165 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:18:10,165 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2023-02-19 00:18:10,170 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 [2023-02-19 00:18:10,171 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:18:10,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:18:10,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:18:10,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:18:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:18:10,198 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:18:10,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:18:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:18:10,225 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-02-19 00:18:10,225 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:18:10,245 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 54 transitions. Complement of second has 7 states. [2023-02-19 00:18:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-19 00:18:10,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:18:10,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2023-02-19 00:18:10,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2023-02-19 00:18:10,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:18:10,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2023-02-19 00:18:10,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:18:10,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2023-02-19 00:18:10,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:18:10,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 54 transitions. [2023-02-19 00:18:10,249 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:18:10,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 25 states and 36 transitions. [2023-02-19 00:18:10,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-02-19 00:18:10,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-02-19 00:18:10,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 36 transitions. [2023-02-19 00:18:10,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:18:10,250 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2023-02-19 00:18:10,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 36 transitions. [2023-02-19 00:18:10,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2023-02-19 00:18:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 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) [2023-02-19 00:18:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2023-02-19 00:18:10,253 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-02-19 00:18:10,253 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-02-19 00:18:10,253 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-19 00:18:10,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2023-02-19 00:18:10,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:18:10,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:18:10,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:18:10,254 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-19 00:18:10,254 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:18:10,254 INFO L748 eck$LassoCheckResult]: Stem: 164#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 166#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 170#L13 assume !(main_~x~0#1 > main_~z~0#1); 155#L16 [2023-02-19 00:18:10,254 INFO L750 eck$LassoCheckResult]: Loop: 155#L16 assume !(main_~y~0#1 > main_~z~0#1); 156#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 160#L13 assume !(main_~x~0#1 > main_~z~0#1); 155#L16 [2023-02-19 00:18:10,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:10,255 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-02-19 00:18:10,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:18:10,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358858879] [2023-02-19 00:18:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:18:10,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:18:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:10,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:18:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:18:10,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:18:10,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:18:10,261 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2023-02-19 00:18:10,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:18:10,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250221533] [2023-02-19 00:18:10,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:18:10,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:18:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:18:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:18:10,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-19 00:18:10,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250221533] [2023-02-19 00:18:10,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250221533] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-19 00:18:10,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-19 00:18:10,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-19 00:18:10,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636502684] [2023-02-19 00:18:10,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-19 00:18:10,299 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-02-19 00:18:10,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-19 00:18:10,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-19 00:18:10,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-19 00:18:10,302 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:18:10,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-19 00:18:10,318 INFO L93 Difference]: Finished difference Result 23 states and 31 transitions. [2023-02-19 00:18:10,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 31 transitions. [2023-02-19 00:18:10,319 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-19 00:18:10,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2023-02-19 00:18:10,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-19 00:18:10,319 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-19 00:18:10,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-19 00:18:10,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-19 00:18:10,320 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-19 00:18:10,320 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-19 00:18:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-19 00:18:10,321 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-19 00:18:10,321 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-19 00:18:10,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-19 00:18:10,326 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-19 00:18:10,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-19 00:18:10,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.02 12:18:10 BoogieIcfgContainer [2023-02-19 00:18:10,332 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-19 00:18:10,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-19 00:18:10,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-19 00:18:10,334 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-19 00:18:10,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:18:08" (3/4) ... [2023-02-19 00:18:10,338 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-19 00:18:10,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-19 00:18:10,339 INFO L158 Benchmark]: Toolchain (without parser) took 1776.72ms. Allocated memory is still 144.7MB. Free memory was 100.5MB in the beginning and 71.4MB in the end (delta: 29.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-02-19 00:18:10,339 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-19 00:18:10,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 142.46ms. Allocated memory is still 144.7MB. Free memory was 100.5MB in the beginning and 91.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-19 00:18:10,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.38ms. Allocated memory is still 144.7MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-19 00:18:10,340 INFO L158 Benchmark]: Boogie Preprocessor took 11.83ms. Allocated memory is still 144.7MB. Free memory was 90.0MB in the beginning and 89.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-19 00:18:10,340 INFO L158 Benchmark]: RCFGBuilder took 185.55ms. Allocated memory is still 144.7MB. Free memory was 89.0MB in the beginning and 80.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-19 00:18:10,341 INFO L158 Benchmark]: BuchiAutomizer took 1405.50ms. Allocated memory is still 144.7MB. Free memory was 80.5MB in the beginning and 72.1MB in the end (delta: 8.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-02-19 00:18:10,341 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 144.7MB. Free memory was 72.1MB in the beginning and 71.4MB in the end (delta: 728.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-19 00:18:10,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 142.46ms. Allocated memory is still 144.7MB. Free memory was 100.5MB in the beginning and 91.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.38ms. Allocated memory is still 144.7MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.83ms. Allocated memory is still 144.7MB. Free memory was 90.0MB in the beginning and 89.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 185.55ms. Allocated memory is still 144.7MB. Free memory was 89.0MB in the beginning and 80.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1405.50ms. Allocated memory is still 144.7MB. Free memory was 80.5MB in the beginning and 72.1MB in the end (delta: 8.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 144.7MB. Free memory was 72.1MB in the beginning and 71.4MB in the end (delta: 728.6kB). 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y + -1 * z and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 4 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 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 15 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq131 hnf95 smp100 dnf76 smp100 tf111 neg97 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 92ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-19 00:18:10,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-19 00:18:10,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-19 00:18:10,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE