./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.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-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.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 fb567b374acd8bb9754dd21f812a202296c7800faf8be127cd0c1294b076cd75 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-19 00:13:24,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-19 00:13:24,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-19 00:13:24,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-19 00:13:24,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-19 00:13:24,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-19 00:13:24,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-19 00:13:24,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-19 00:13:24,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-19 00:13:24,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-19 00:13:24,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-19 00:13:24,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-19 00:13:24,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-19 00:13:24,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-19 00:13:24,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-19 00:13:24,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-19 00:13:24,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-19 00:13:24,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-19 00:13:24,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-19 00:13:24,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-19 00:13:24,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-19 00:13:24,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-19 00:13:24,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-19 00:13:24,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-19 00:13:24,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-19 00:13:24,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-19 00:13:24,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-19 00:13:24,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-19 00:13:24,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-19 00:13:24,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-19 00:13:24,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-19 00:13:24,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-19 00:13:24,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-19 00:13:24,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-19 00:13:24,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-19 00:13:24,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-19 00:13:24,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-19 00:13:24,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-19 00:13:24,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-19 00:13:24,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-19 00:13:24,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-19 00:13:24,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-19 00:13:24,999 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-19 00:13:24,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-19 00:13:25,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-19 00:13:25,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-19 00:13:25,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-19 00:13:25,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-19 00:13:25,001 INFO L138 SettingsManager]: * Use SBE=true [2023-02-19 00:13:25,002 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-19 00:13:25,002 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-19 00:13:25,002 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-19 00:13:25,003 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-19 00:13:25,003 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-19 00:13:25,003 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-19 00:13:25,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-19 00:13:25,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-19 00:13:25,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-19 00:13:25,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-19 00:13:25,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-19 00:13:25,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-19 00:13:25,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-19 00:13:25,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-19 00:13:25,005 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-19 00:13:25,005 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-19 00:13:25,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-19 00:13:25,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-19 00:13:25,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-19 00:13:25,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-19 00:13:25,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-19 00:13:25,008 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-19 00:13:25,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb567b374acd8bb9754dd21f812a202296c7800faf8be127cd0c1294b076cd75 [2023-02-19 00:13:25,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-19 00:13:25,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-19 00:13:25,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-19 00:13:25,295 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-19 00:13:25,296 INFO L275 PluginConnector]: CDTParser initialized [2023-02-19 00:13:25,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2023-02-19 00:13:26,333 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-19 00:13:26,538 INFO L351 CDTParser]: Found 1 translation units. [2023-02-19 00:13:26,539 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2023-02-19 00:13:26,544 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d77bcb4b/688808d31d2b44c7b53b824bdd996cee/FLAG95331e932 [2023-02-19 00:13:26,558 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d77bcb4b/688808d31d2b44c7b53b824bdd996cee [2023-02-19 00:13:26,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-19 00:13:26,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-19 00:13:26,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-19 00:13:26,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-19 00:13:26,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-19 00:13:26,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eeaf8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26, skipping insertion in model container [2023-02-19 00:13:26,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-19 00:13:26,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-19 00:13:26,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-19 00:13:26,692 INFO L203 MainTranslator]: Completed pre-run [2023-02-19 00:13:26,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-19 00:13:26,711 INFO L208 MainTranslator]: Completed translation [2023-02-19 00:13:26,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26 WrapperNode [2023-02-19 00:13:26,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-19 00:13:26,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-19 00:13:26,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-19 00:13:26,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-19 00:13:26,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,737 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-02-19 00:13:26,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-19 00:13:26,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-19 00:13:26,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-19 00:13:26,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-19 00:13:26,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,748 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-19 00:13:26,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-19 00:13:26,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-19 00:13:26,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-19 00:13:26,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (1/1) ... [2023-02-19 00:13:26,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:26,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:26,774 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 00:13:26,779 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 00:13:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-19 00:13:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-19 00:13:26,867 INFO L235 CfgBuilder]: Building ICFG [2023-02-19 00:13:26,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-19 00:13:26,915 INFO L276 CfgBuilder]: Performing block encoding [2023-02-19 00:13:26,920 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-19 00:13:26,920 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-02-19 00:13:26,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:13:26 BoogieIcfgContainer [2023-02-19 00:13:26,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-19 00:13:26,923 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-19 00:13:26,923 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-19 00:13:26,926 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-19 00:13:26,926 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:13:26,926 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.02 12:13:26" (1/3) ... [2023-02-19 00:13:26,927 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f00998e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.02 12:13:26, skipping insertion in model container [2023-02-19 00:13:26,927 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:13:26,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:26" (2/3) ... [2023-02-19 00:13:26,927 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f00998e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.02 12:13:26, skipping insertion in model container [2023-02-19 00:13:26,927 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:13:26,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:13:26" (3/3) ... [2023-02-19 00:13:26,928 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c [2023-02-19 00:13:26,968 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-19 00:13:26,968 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-19 00:13:26,968 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-19 00:13:26,968 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-19 00:13:26,969 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-19 00:13:26,969 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-19 00:13:26,969 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-19 00:13:26,969 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-19 00:13:26,972 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) [2023-02-19 00:13:26,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-19 00:13:26,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:26,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:26,988 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-19 00:13:26,988 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:13:26,989 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-19 00:13:26,989 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) [2023-02-19 00:13:26,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-19 00:13:26,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:26,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:26,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-19 00:13:26,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:13:26,997 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6#L21true assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 5#L23-2true [2023-02-19 00:13:26,997 INFO L750 eck$LassoCheckResult]: Loop: 5#L23-2true assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 3#L25-2true assume !(main_~j~0#1 < main_~m~0#1); 7#L25-3true main_~i~0#1 := 1 + main_~i~0#1; 5#L23-2true [2023-02-19 00:13:27,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:27,002 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-02-19 00:13:27,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:27,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498660997] [2023-02-19 00:13:27,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:27,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:27,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:27,099 INFO L85 PathProgramCache]: Analyzing trace with hash 43936, now seen corresponding path program 1 times [2023-02-19 00:13:27,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:27,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394211558] [2023-02-19 00:13:27,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:27,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:27,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:27,140 INFO L85 PathProgramCache]: Analyzing trace with hash 889513823, now seen corresponding path program 1 times [2023-02-19 00:13:27,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:27,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111227723] [2023-02-19 00:13:27,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:27,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:27,190 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:27,191 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:27,191 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:27,191 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:27,191 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:13:27,191 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,192 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:27,192 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:27,192 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration1_Loop [2023-02-19 00:13:27,192 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:27,192 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:27,207 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 00:13:27,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:27,217 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 00:13:27,221 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 00:13:27,245 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:27,248 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:13:27,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:27,253 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 00:13:27,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:27,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:27,275 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 00:13:27,283 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:27,283 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: [] [2023-02-19 00:13:27,290 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 00:13:27,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:27,293 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 00:13:27,295 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 00:13:27,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:27,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:27,321 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:27,321 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: [] [2023-02-19 00:13:27,328 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 00:13:27,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:27,330 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 00:13:27,331 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 00:13:27,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:27,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:27,395 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 00:13:27,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:27,397 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 00:13:27,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:13:27,408 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:27,453 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 00:13:27,538 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:13:27,542 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 [2023-02-19 00:13:27,543 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:27,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:27,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:27,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:27,543 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:13:27,543 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:27,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:27,544 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration1_Loop [2023-02-19 00:13:27,544 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:27,544 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:27,550 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 00:13:27,556 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 00:13:27,557 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 00:13:27,558 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 00:13:27,562 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:27,566 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:13:27,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:27,568 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 00:13:27,580 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 00:13:27,581 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 00:13:27,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:27,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:27,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:27,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:27,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:27,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:27,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:27,599 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:13:27,604 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:13:27,605 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:13:27,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:27,637 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 00:13:27,638 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 00:13:27,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:13:27,640 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:13:27,641 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:13:27,641 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-02-19 00:13:27,645 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 00:13:27,647 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:13:27,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:27,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:27,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:27,688 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:27,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:27,695 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 00:13:27,725 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 00:13:27,750 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 [2023-02-19 00:13:27,752 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:27,815 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 63 transitions. Complement of second has 8 states. [2023-02-19 00:13:27,819 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 00:13:27,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2023-02-19 00:13:27,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 3 letters. Loop has 3 letters. [2023-02-19 00:13:27,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:27,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 3 letters. [2023-02-19 00:13:27,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:27,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 3 letters. Loop has 6 letters. [2023-02-19 00:13:27,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:27,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 63 transitions. [2023-02-19 00:13:27,832 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-19 00:13:27,835 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 15 states and 22 transitions. [2023-02-19 00:13:27,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-02-19 00:13:27,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-02-19 00:13:27,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 22 transitions. [2023-02-19 00:13:27,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:13:27,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 22 transitions. [2023-02-19 00:13:27,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 22 transitions. [2023-02-19 00:13:27,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-02-19 00:13:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 13 states have internal predecessors, (21), 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 00:13:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2023-02-19 00:13:27,857 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 21 transitions. [2023-02-19 00:13:27,857 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 21 transitions. [2023-02-19 00:13:27,858 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-19 00:13:27,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 21 transitions. [2023-02-19 00:13:27,858 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-19 00:13:27,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:27,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:27,859 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-19 00:13:27,859 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-19 00:13:27,860 INFO L748 eck$LassoCheckResult]: Stem: 110#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 111#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_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 107#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 108#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 100#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 101#L28-2 [2023-02-19 00:13:27,860 INFO L750 eck$LassoCheckResult]: Loop: 101#L28-2 assume !!(main_~k~0#1 < main_~N~0#1 - 1);main_~k~0#1 := 1 + main_~k~0#1; 101#L28-2 [2023-02-19 00:13:27,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:27,861 INFO L85 PathProgramCache]: Analyzing trace with hash 28693995, now seen corresponding path program 1 times [2023-02-19 00:13:27,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:27,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603620028] [2023-02-19 00:13:27,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:27,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:27,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:27,874 INFO L85 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times [2023-02-19 00:13:27,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:27,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124344703] [2023-02-19 00:13:27,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:27,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:27,881 INFO L85 PathProgramCache]: Analyzing trace with hash 889513877, now seen corresponding path program 1 times [2023-02-19 00:13:27,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:27,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707420441] [2023-02-19 00:13:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:27,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:27,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:27,896 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:27,897 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:27,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:27,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:27,897 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:13:27,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:27,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:27,898 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration2_Loop [2023-02-19 00:13:27,898 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:27,898 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:27,899 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 00:13:27,900 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 00:13:27,901 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 00:13:27,904 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:27,904 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:13:27,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:27,906 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 00:13:27,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:27,911 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:27,921 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 00:13:27,933 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:27,933 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 00:13:27,937 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 00:13:27,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:27,939 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 00:13:27,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:27,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:27,961 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 00:13:27,969 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:27,970 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:27,977 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 [2023-02-19 00:13:27,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:27,979 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 00:13:27,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:27,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:27,988 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 00:13:27,998 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 [2023-02-19 00:13:27,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:27,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,000 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) [2023-02-19 00:13:28,006 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 [2023-02-19 00:13:28,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:13:28,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:28,106 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:13:28,110 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 [2023-02-19 00:13:28,110 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:28,110 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:28,111 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:28,111 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:28,111 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:13:28,111 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,111 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:28,111 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:28,111 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration2_Loop [2023-02-19 00:13:28,111 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:28,111 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:28,112 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 00:13:28,114 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 00:13:28,115 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 00:13:28,118 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:28,118 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:13:28,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,120 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,133 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 00:13:28,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-19 00:13:28,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:28,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:28,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:28,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:28,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:13:28,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:13:28,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:28,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:28,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,164 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-19 00:13:28,167 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 00:13:28,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:28,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:28,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:28,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:28,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:13:28,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:13:28,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:28,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:28,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,195 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-19 00:13:28,199 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 00:13:28,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:28,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:28,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:28,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:28,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:28,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:28,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:28,210 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:13:28,220 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:13:28,221 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:13:28,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,222 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-19 00:13:28,225 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:13:28,225 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:13:28,225 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:13:28,225 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~N~0#1, ULTIMATE.start_main_~k~0#1) = 1*ULTIMATE.start_main_~N~0#1 - 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2023-02-19 00:13:28,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-19 00:13:28,228 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:13:28,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:28,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:28,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:28,254 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:28,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:28,254 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 00:13:28,255 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 00:13:28,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 21 transitions. cyclomatic complexity: 10 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 00:13:28,267 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 21 transitions. cyclomatic complexity: 10. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 28 states and 44 transitions. Complement of second has 6 states. [2023-02-19 00:13:28,267 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 00:13:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 00:13:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-02-19 00:13:28,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-19 00:13:28,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:28,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2023-02-19 00:13:28,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:28,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-19 00:13:28,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:28,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 44 transitions. [2023-02-19 00:13:28,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-02-19 00:13:28,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 19 states and 28 transitions. [2023-02-19 00:13:28,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-02-19 00:13:28,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-02-19 00:13:28,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 28 transitions. [2023-02-19 00:13:28,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:13:28,279 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-02-19 00:13:28,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 28 transitions. [2023-02-19 00:13:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-02-19 00:13:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 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 00:13:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2023-02-19 00:13:28,286 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-02-19 00:13:28,286 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-02-19 00:13:28,286 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-19 00:13:28,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2023-02-19 00:13:28,287 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-02-19 00:13:28,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:28,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:28,288 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-19 00:13:28,288 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:13:28,288 INFO L748 eck$LassoCheckResult]: Stem: 192#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 193#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 189#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 190#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 188#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 197#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 196#L28-3 main_~i~0#1 := main_~k~0#1; 180#L25-2 [2023-02-19 00:13:28,288 INFO L750 eck$LassoCheckResult]: Loop: 180#L25-2 assume !(main_~j~0#1 < main_~m~0#1); 181#L25-3 main_~i~0#1 := 1 + main_~i~0#1; 198#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 180#L25-2 [2023-02-19 00:13:28,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:28,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1805126385, now seen corresponding path program 1 times [2023-02-19 00:13:28,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:28,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421450376] [2023-02-19 00:13:28,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:28,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:28,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:28,305 INFO L85 PathProgramCache]: Analyzing trace with hash 51226, now seen corresponding path program 2 times [2023-02-19 00:13:28,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:28,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873823558] [2023-02-19 00:13:28,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:28,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:28,314 INFO L85 PathProgramCache]: Analyzing trace with hash -765356246, now seen corresponding path program 1 times [2023-02-19 00:13:28,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:28,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058575517] [2023-02-19 00:13:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:28,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:28,331 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:28,331 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:28,331 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:28,331 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:28,331 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:13:28,331 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,331 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:28,332 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:28,332 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration3_Loop [2023-02-19 00:13:28,332 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:28,332 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:28,333 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 00:13:28,334 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 00:13:28,335 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 00:13:28,336 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 00:13:28,339 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:28,340 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:13:28,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,341 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:28,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:28,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-19 00:13:28,361 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:28,361 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:28,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-19 00:13:28,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,368 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-19 00:13:28,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:28,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:28,382 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:28,382 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:28,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:28,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,390 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-19 00:13:28,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:28,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:28,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:28,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,432 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-19 00:13:28,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:13:28,435 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:28,675 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:13:28,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:28,679 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:28,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:28,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:28,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:28,679 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:13:28,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:28,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:28,679 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration3_Loop [2023-02-19 00:13:28,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:28,680 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:28,684 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 00:13:28,691 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 00:13:28,693 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 00:13:28,694 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 00:13:28,697 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:28,698 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:13:28,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,699 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-19 00:13:28,705 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 00:13:28,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:28,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:28,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:28,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:28,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:28,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:28,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:28,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:28,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:28,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,744 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-19 00:13:28,751 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 00:13:28,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:28,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:28,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:28,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:28,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:28,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:28,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:28,771 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:13:28,774 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-19 00:13:28,774 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-19 00:13:28,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:28,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:28,775 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:28,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-19 00:13:28,778 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:13:28,779 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:13:28,779 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:13:28,779 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 [] [2023-02-19 00:13:28,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-02-19 00:13:28,784 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:13:28,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:28,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:28,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:28,816 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:28,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:28,850 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 00:13:28,851 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 [2023-02-19 00:13:28,851 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:28,879 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 52 transitions. Complement of second has 8 states. [2023-02-19 00:13:28,879 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 00:13:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2023-02-19 00:13:28,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 7 letters. Loop has 3 letters. [2023-02-19 00:13:28,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:28,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 10 letters. Loop has 3 letters. [2023-02-19 00:13:28,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:28,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 7 letters. Loop has 6 letters. [2023-02-19 00:13:28,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:28,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 52 transitions. [2023-02-19 00:13:28,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-19 00:13:28,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 23 states and 35 transitions. [2023-02-19 00:13:28,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-02-19 00:13:28,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-02-19 00:13:28,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 35 transitions. [2023-02-19 00:13:28,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:13:28,884 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 35 transitions. [2023-02-19 00:13:28,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 35 transitions. [2023-02-19 00:13:28,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2023-02-19 00:13:28,886 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 00:13:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2023-02-19 00:13:28,887 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-02-19 00:13:28,887 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-02-19 00:13:28,887 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-19 00:13:28,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2023-02-19 00:13:28,888 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-19 00:13:28,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:28,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:28,889 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2023-02-19 00:13:28,889 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-19 00:13:28,889 INFO L748 eck$LassoCheckResult]: Stem: 296#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 297#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_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 293#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 289#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 291#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 301#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 300#L28-3 main_~i~0#1 := main_~k~0#1; 285#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 287#L28-2 [2023-02-19 00:13:28,889 INFO L750 eck$LassoCheckResult]: Loop: 287#L28-2 assume !!(main_~k~0#1 < main_~N~0#1 - 1);main_~k~0#1 := 1 + main_~k~0#1; 287#L28-2 [2023-02-19 00:13:28,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:28,890 INFO L85 PathProgramCache]: Analyzing trace with hash 124343110, now seen corresponding path program 2 times [2023-02-19 00:13:28,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:28,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913088471] [2023-02-19 00:13:28,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:28,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:28,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:28,905 INFO L85 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 2 times [2023-02-19 00:13:28,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:28,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080087961] [2023-02-19 00:13:28,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:28,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:28,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:28,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:28,912 INFO L85 PathProgramCache]: Analyzing trace with hash -440330854, now seen corresponding path program 1 times [2023-02-19 00:13:28,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:28,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251606153] [2023-02-19 00:13:28,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:28,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:13:28,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-19 00:13:28,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251606153] [2023-02-19 00:13:28,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251606153] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-19 00:13:28,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-19 00:13:28,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-19 00:13:28,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129394780] [2023-02-19 00:13:28,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-19 00:13:29,003 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:29,003 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:29,003 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:29,003 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:29,003 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:13:29,003 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,003 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:29,004 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:29,004 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration4_Loop [2023-02-19 00:13:29,004 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:29,004 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:29,005 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 00:13:29,006 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 00:13:29,008 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 00:13:29,014 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:29,014 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:13:29,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,017 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:29,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-19 00:13:29,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:29,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:29,053 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:29,053 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:29,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,062 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:29,069 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:29,069 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:29,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-19 00:13:29,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,097 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:29,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-19 00:13:29,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:13:29,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:29,205 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:13:29,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,209 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:29,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:29,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:29,209 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:29,209 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:13:29,209 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,209 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:29,209 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:29,209 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration4_Loop [2023-02-19 00:13:29,210 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:29,210 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:29,211 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 00:13:29,212 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 00:13:29,213 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 00:13:29,215 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:29,215 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:13:29,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,216 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:29,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-19 00:13:29,222 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 00:13:29,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:29,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:29,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:29,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:29,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:29,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:29,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:29,235 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:13:29,237 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-19 00:13:29,237 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-19 00:13:29,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,244 INFO L229 MonitoredProcess]: Starting monitored process 27 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 00:13:29,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-19 00:13:29,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:13:29,247 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:13:29,247 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:13:29,247 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~N~0#1, ULTIMATE.start_main_~k~0#1) = 1*ULTIMATE.start_main_~N~0#1 - 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2023-02-19 00:13:29,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-02-19 00:13:29,250 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:13:29,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:29,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:29,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:29,284 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:29,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:29,285 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 00:13:29,285 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 00:13:29,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:29,300 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 39 transitions. Complement of second has 5 states. [2023-02-19 00:13:29,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-02-19 00:13:29,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 1 letters. [2023-02-19 00:13:29,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:29,305 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:13:29,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:29,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:29,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:29,365 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:29,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:29,366 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 00:13:29,366 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-19 00:13:29,366 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:29,391 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 39 transitions. Complement of second has 5 states. [2023-02-19 00:13:29,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:29,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:29,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-02-19 00:13:29,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 1 letters. [2023-02-19 00:13:29,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:29,397 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:13:29,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-02-19 00:13:29,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:29,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:29,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:29,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:29,448 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:29,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:29,449 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 00:13:29,449 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-19 00:13:29,449 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:29,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 16. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 61 transitions. Complement of second has 5 states. [2023-02-19 00:13:29,475 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 00:13:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2023-02-19 00:13:29,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 8 letters. Loop has 1 letters. [2023-02-19 00:13:29,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:29,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 9 letters. Loop has 1 letters. [2023-02-19 00:13:29,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:29,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 8 letters. Loop has 2 letters. [2023-02-19 00:13:29,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:29,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 61 transitions. [2023-02-19 00:13:29,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-02-19 00:13:29,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 23 states and 34 transitions. [2023-02-19 00:13:29,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-02-19 00:13:29,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-02-19 00:13:29,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 34 transitions. [2023-02-19 00:13:29,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:13:29,481 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 34 transitions. [2023-02-19 00:13:29,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 34 transitions. [2023-02-19 00:13:29,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2023-02-19 00:13:29,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 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 00:13:29,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2023-02-19 00:13:29,483 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2023-02-19 00:13:29,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-19 00:13:29,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-19 00:13:29,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-19 00:13:29,485 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:29,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-19 00:13:29,510 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2023-02-19 00:13:29,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2023-02-19 00:13:29,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-19 00:13:29,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2023-02-19 00:13:29,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-02-19 00:13:29,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-02-19 00:13:29,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2023-02-19 00:13:29,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:13:29,512 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-02-19 00:13:29,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2023-02-19 00:13:29,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-02-19 00:13:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 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 00:13:29,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2023-02-19 00:13:29,514 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-02-19 00:13:29,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-19 00:13:29,515 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-02-19 00:13:29,515 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-19 00:13:29,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2023-02-19 00:13:29,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-19 00:13:29,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:29,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:29,517 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2023-02-19 00:13:29,517 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:13:29,517 INFO L748 eck$LassoCheckResult]: Stem: 560#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 561#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 557#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 553#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 555#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 565#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 562#L28-3 main_~i~0#1 := main_~k~0#1; 549#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 551#L28-2 [2023-02-19 00:13:29,517 INFO L750 eck$LassoCheckResult]: Loop: 551#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 563#L28-3 main_~i~0#1 := main_~k~0#1; 566#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 551#L28-2 [2023-02-19 00:13:29,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:29,518 INFO L85 PathProgramCache]: Analyzing trace with hash 124343110, now seen corresponding path program 3 times [2023-02-19 00:13:29,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:29,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871496687] [2023-02-19 00:13:29,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:29,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:29,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:29,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:29,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:29,534 INFO L85 PathProgramCache]: Analyzing trace with hash 59760, now seen corresponding path program 1 times [2023-02-19 00:13:29,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:29,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969882794] [2023-02-19 00:13:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:29,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:29,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:29,540 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:29,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:29,541 INFO L85 PathProgramCache]: Analyzing trace with hash 2043810827, now seen corresponding path program 4 times [2023-02-19 00:13:29,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:29,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678124602] [2023-02-19 00:13:29,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:29,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:29,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:29,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:29,554 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:29,554 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:29,554 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:29,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:29,554 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:13:29,555 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,555 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:29,555 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:29,555 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration5_Loop [2023-02-19 00:13:29,555 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:29,555 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:29,556 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 00:13:29,558 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 00:13:29,558 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 00:13:29,559 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 00:13:29,562 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:29,562 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:13:29,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,573 INFO L229 MonitoredProcess]: Starting monitored process 28 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 00:13:29,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-19 00:13:29,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:29,583 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:29,609 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:29,609 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=-7, ULTIMATE.start_main_~k~0#1=-7, ULTIMATE.start_main_~N~0#1=-6} Honda state: {ULTIMATE.start_main_~i~0#1=-7, ULTIMATE.start_main_~k~0#1=-7, ULTIMATE.start_main_~N~0#1=-6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:29,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,618 INFO L229 MonitoredProcess]: Starting monitored process 29 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 00:13:29,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-19 00:13:29,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:29,621 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:29,642 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:29,643 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_9=0} Honda state: {v_rep~unnamed0~0~false_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:29,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,650 INFO L229 MonitoredProcess]: Starting monitored process 30 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 00:13:29,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-19 00:13:29,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:29,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:29,677 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:29,677 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_9=1} Honda state: {v_rep~unnamed0~0~true_9=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:29,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,685 INFO L229 MonitoredProcess]: Starting monitored process 31 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 00:13:29,689 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:29,689 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:29,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-19 00:13:29,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,719 INFO L229 MonitoredProcess]: Starting monitored process 32 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 00:13:29,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:13:29,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:29,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-19 00:13:29,828 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:13:29,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-02-19 00:13:29,832 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:29,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:29,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:29,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:29,832 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:13:29,832 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,832 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:29,832 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:29,832 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration5_Loop [2023-02-19 00:13:29,832 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:29,832 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:29,833 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 00:13:29,836 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 00:13:29,838 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 00:13:29,839 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 00:13:29,841 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:29,841 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:13:29,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,843 INFO L229 MonitoredProcess]: Starting monitored process 33 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 00:13:29,857 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 00:13:29,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:29,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:29,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:29,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:29,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:13:29,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:13:29,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-02-19 00:13:29,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:29,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,891 INFO L229 MonitoredProcess]: Starting monitored process 34 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 00:13:29,901 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 00:13:29,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:29,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:29,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:29,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:29,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:29,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:29,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:29,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-02-19 00:13:29,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:29,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,918 INFO L229 MonitoredProcess]: Starting monitored process 35 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 00:13:29,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-02-19 00:13:29,921 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 00:13:29,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:29,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:29,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:29,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:29,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:13:29,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:13:29,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:29,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,955 INFO L229 MonitoredProcess]: Starting monitored process 36 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 00:13:29,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-02-19 00:13:29,958 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 00:13:29,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:29,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:29,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:29,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:29,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:29,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:29,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:29,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:13:29,984 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:13:29,984 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:13:29,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:29,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:29,985 INFO L229 MonitoredProcess]: Starting monitored process 37 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 00:13:29,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-02-19 00:13:29,988 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:13:29,988 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:13:29,988 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:13:29,988 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2023-02-19 00:13:29,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:29,994 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:13:30,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:30,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:30,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:30,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:30,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:30,027 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 00:13:30,027 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 00:13:30,028 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:30,035 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 49 transitions. Complement of second has 5 states. [2023-02-19 00:13:30,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-02-19 00:13:30,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 8 letters. Loop has 3 letters. [2023-02-19 00:13:30,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:30,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2023-02-19 00:13:30,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:30,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2023-02-19 00:13:30,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:30,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2023-02-19 00:13:30,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-19 00:13:30,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 34 states and 45 transitions. [2023-02-19 00:13:30,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-02-19 00:13:30,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-02-19 00:13:30,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2023-02-19 00:13:30,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:13:30,039 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 45 transitions. [2023-02-19 00:13:30,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2023-02-19 00:13:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2023-02-19 00:13:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 25 states have internal predecessors, (36), 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 00:13:30,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2023-02-19 00:13:30,042 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 36 transitions. [2023-02-19 00:13:30,042 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2023-02-19 00:13:30,042 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-02-19 00:13:30,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2023-02-19 00:13:30,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-19 00:13:30,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:30,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:30,043 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-19 00:13:30,043 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:13:30,043 INFO L748 eck$LassoCheckResult]: Stem: 671#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 672#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_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 667#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 663#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 665#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 678#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 673#L28-3 main_~i~0#1 := main_~k~0#1; 659#L25-2 assume !(main_~j~0#1 < main_~m~0#1); 660#L25-3 main_~i~0#1 := 1 + main_~i~0#1; 670#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 681#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 675#L28-2 [2023-02-19 00:13:30,044 INFO L750 eck$LassoCheckResult]: Loop: 675#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 676#L28-3 main_~i~0#1 := main_~k~0#1; 680#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 675#L28-2 [2023-02-19 00:13:30,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2043760173, now seen corresponding path program 2 times [2023-02-19 00:13:30,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:30,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500908476] [2023-02-19 00:13:30,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:30,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,056 INFO L85 PathProgramCache]: Analyzing trace with hash 59760, now seen corresponding path program 2 times [2023-02-19 00:13:30,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:30,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607964791] [2023-02-19 00:13:30,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:30,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:30,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash 202955716, now seen corresponding path program 3 times [2023-02-19 00:13:30,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:30,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428039986] [2023-02-19 00:13:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:13:30,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-19 00:13:30,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428039986] [2023-02-19 00:13:30,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428039986] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-19 00:13:30,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318062763] [2023-02-19 00:13:30,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-19 00:13:30,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-19 00:13:30,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,113 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-19 00:13:30,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-02-19 00:13:30,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-19 00:13:30,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-19 00:13:30,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-19 00:13:30,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:13:30,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-19 00:13:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:13:30,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318062763] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-19 00:13:30,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-19 00:13:30,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2023-02-19 00:13:30,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378782986] [2023-02-19 00:13:30,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-19 00:13:30,213 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:30,213 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:30,213 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:30,213 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:30,214 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:13:30,214 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,214 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:30,214 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:30,214 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration6_Loop [2023-02-19 00:13:30,214 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:30,214 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:30,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:30,216 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 00:13:30,217 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 00:13:30,218 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 00:13:30,222 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:30,222 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:13:30,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,224 INFO L229 MonitoredProcess]: Starting monitored process 39 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 00:13:30,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-02-19 00:13:30,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:30,228 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:30,257 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:30,257 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:30,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:30,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,265 INFO L229 MonitoredProcess]: Starting monitored process 40 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 00:13:30,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:30,277 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:30,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-02-19 00:13:30,291 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:30,291 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:30,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:30,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,296 INFO L229 MonitoredProcess]: Starting monitored process 41 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 00:13:30,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-02-19 00:13:30,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:30,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:30,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:30,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,322 INFO L229 MonitoredProcess]: Starting monitored process 42 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 00:13:30,325 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:13:30,325 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:30,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-02-19 00:13:30,435 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:13:30,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-02-19 00:13:30,439 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:30,439 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:30,439 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:30,439 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:30,439 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:13:30,439 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,440 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:30,440 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:30,440 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration6_Loop [2023-02-19 00:13:30,440 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:30,440 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:30,441 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 00:13:30,443 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 00:13:30,445 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 00:13:30,446 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 00:13:30,449 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:30,449 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:13:30,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,451 INFO L229 MonitoredProcess]: Starting monitored process 43 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 00:13:30,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-02-19 00:13:30,454 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 00:13:30,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:30,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:30,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:30,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:30,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:13:30,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:13:30,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:30,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:30,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,483 INFO L229 MonitoredProcess]: Starting monitored process 44 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 00:13:30,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-02-19 00:13:30,546 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 00:13:30,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:30,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:30,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:30,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:30,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:30,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:30,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:30,560 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:13:30,563 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-19 00:13:30,563 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:13:30,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,565 INFO L229 MonitoredProcess]: Starting monitored process 45 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 00:13:30,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-02-19 00:13:30,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:13:30,568 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:13:30,568 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:13:30,568 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~m~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~m~0#1 Supporting invariants [] [2023-02-19 00:13:30,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-02-19 00:13:30,571 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:13:30,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:30,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:30,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:30,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:30,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:30,604 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 00:13:30,605 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 00:13:30,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 00:13:30,617 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 46 states and 63 transitions. Complement of second has 5 states. [2023-02-19 00:13:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:30,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 00:13:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-02-19 00:13:30,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2023-02-19 00:13:30,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:30,619 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:13:30,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:30,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:30,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:30,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:30,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:30,640 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 00:13:30,641 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-19 00:13:30,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 00:13:30,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 46 states and 63 transitions. Complement of second has 5 states. [2023-02-19 00:13:30,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 00:13:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-02-19 00:13:30,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2023-02-19 00:13:30,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:30,648 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:13:30,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:30,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:30,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:30,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:30,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:30,668 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 00:13:30,669 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-19 00:13:30,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 00:13:30,675 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 50 states and 70 transitions. Complement of second has 4 states. [2023-02-19 00:13:30,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 00:13:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2023-02-19 00:13:30,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 11 letters. Loop has 3 letters. [2023-02-19 00:13:30,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:30,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 3 letters. [2023-02-19 00:13:30,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:30,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 11 letters. Loop has 6 letters. [2023-02-19 00:13:30,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:30,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 70 transitions. [2023-02-19 00:13:30,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-02-19 00:13:30,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 36 states and 49 transitions. [2023-02-19 00:13:30,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-02-19 00:13:30,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-02-19 00:13:30,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 49 transitions. [2023-02-19 00:13:30,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:13:30,680 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-02-19 00:13:30,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 49 transitions. [2023-02-19 00:13:30,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2023-02-19 00:13:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 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 00:13:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2023-02-19 00:13:30,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2023-02-19 00:13:30,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-19 00:13:30,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-19 00:13:30,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-02-19 00:13:30,683 INFO L87 Difference]: Start difference. First operand 25 states and 36 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 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 00:13:30,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-19 00:13:30,717 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2023-02-19 00:13:30,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2023-02-19 00:13:30,718 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2023-02-19 00:13:30,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 48 transitions. [2023-02-19 00:13:30,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-02-19 00:13:30,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-02-19 00:13:30,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 48 transitions. [2023-02-19 00:13:30,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:13:30,719 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 48 transitions. [2023-02-19 00:13:30,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 48 transitions. [2023-02-19 00:13:30,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2023-02-19 00:13:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 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 00:13:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2023-02-19 00:13:30,721 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2023-02-19 00:13:30,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-19 00:13:30,722 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2023-02-19 00:13:30,722 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-02-19 00:13:30,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2023-02-19 00:13:30,723 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2023-02-19 00:13:30,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:30,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:30,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-02-19 00:13:30,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1] [2023-02-19 00:13:30,724 INFO L748 eck$LassoCheckResult]: Stem: 1159#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1156#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 1157#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 1171#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1168#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1165#L28-3 main_~i~0#1 := main_~k~0#1; 1152#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1153#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1167#L28-3 [2023-02-19 00:13:30,724 INFO L750 eck$LassoCheckResult]: Loop: 1167#L28-3 main_~i~0#1 := main_~k~0#1; 1177#L25-2 assume !(main_~j~0#1 < main_~m~0#1); 1176#L25-3 main_~i~0#1 := 1 + main_~i~0#1; 1175#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 1173#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1166#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1165#L28-3 main_~i~0#1 := main_~k~0#1; 1152#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1153#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1167#L28-3 [2023-02-19 00:13:30,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,724 INFO L85 PathProgramCache]: Analyzing trace with hash -440330856, now seen corresponding path program 5 times [2023-02-19 00:13:30,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:30,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130529111] [2023-02-19 00:13:30,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:30,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:30,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1332666324, now seen corresponding path program 1 times [2023-02-19 00:13:30,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:30,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909128443] [2023-02-19 00:13:30,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:30,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:30,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:30,741 INFO L85 PathProgramCache]: Analyzing trace with hash -779525003, now seen corresponding path program 4 times [2023-02-19 00:13:30,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:30,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237397434] [2023-02-19 00:13:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:30,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:30,757 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:30,757 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:30,757 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:30,757 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:30,757 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:13:30,757 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:30,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:30,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration7_Loop [2023-02-19 00:13:30,758 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:30,758 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:30,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:30,760 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 00:13:30,760 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 00:13:30,762 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 00:13:30,765 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:30,765 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:13:30,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,766 INFO L229 MonitoredProcess]: Starting monitored process 46 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 00:13:30,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-02-19 00:13:30,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:30,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:30,837 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:30,838 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_13=1} Honda state: {v_rep~unnamed0~0~true_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:30,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:30,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,843 INFO L229 MonitoredProcess]: Starting monitored process 47 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 00:13:30,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-02-19 00:13:30,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:30,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:30,864 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:30,864 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_13=0} Honda state: {v_rep~unnamed0~0~false_13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:30,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:30,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,869 INFO L229 MonitoredProcess]: Starting monitored process 48 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 00:13:30,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-02-19 00:13:30,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:30,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:30,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:30,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:30,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:30,919 INFO L229 MonitoredProcess]: Starting monitored process 49 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 00:13:30,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-02-19 00:13:30,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:13:30,922 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:34,163 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:13:34,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-02-19 00:13:34,169 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:34,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:34,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:34,169 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:34,169 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:13:34,169 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,169 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:34,169 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:34,169 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration7_Loop [2023-02-19 00:13:34,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:34,169 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:34,170 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 00:13:34,171 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 00:13:34,172 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 00:13:34,173 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 00:13:34,176 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:34,176 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:13:34,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,177 INFO L229 MonitoredProcess]: Starting monitored process 50 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 00:13:34,185 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 00:13:34,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:34,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:34,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:34,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:34,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:13:34,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:13:34,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-02-19 00:13:34,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:34,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,214 INFO L229 MonitoredProcess]: Starting monitored process 51 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 00:13:34,221 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 00:13:34,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:34,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:34,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:34,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:34,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:13:34,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:13:34,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-02-19 00:13:34,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:34,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,251 INFO L229 MonitoredProcess]: Starting monitored process 52 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 00:13:34,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-02-19 00:13:34,254 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 00:13:34,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:34,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:34,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:34,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:34,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:34,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:34,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:34,280 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:13:34,285 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:13:34,285 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:13:34,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,290 INFO L229 MonitoredProcess]: Starting monitored process 53 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 00:13:34,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-02-19 00:13:34,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,336 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:13:34,336 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:13:34,336 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:13:34,336 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-02-19 00:13:34,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,340 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:13:34,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:34,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:34,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:34,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-19 00:13:34,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-19 00:13:34,414 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-02-19 00:13:34,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 14 Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:34,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 14. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 73 transitions. Complement of second has 12 states. [2023-02-19 00:13:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:34,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2023-02-19 00:13:34,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 9 letters. Loop has 9 letters. [2023-02-19 00:13:34,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:34,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 18 letters. Loop has 9 letters. [2023-02-19 00:13:34,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:34,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 9 letters. Loop has 18 letters. [2023-02-19 00:13:34,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:34,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2023-02-19 00:13:34,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:13:34,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 51 states and 64 transitions. [2023-02-19 00:13:34,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-02-19 00:13:34,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-02-19 00:13:34,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2023-02-19 00:13:34,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:13:34,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-02-19 00:13:34,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2023-02-19 00:13:34,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 36. [2023-02-19 00:13:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 35 states have internal predecessors, (49), 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 00:13:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2023-02-19 00:13:34,509 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-02-19 00:13:34,509 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-02-19 00:13:34,510 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-02-19 00:13:34,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 49 transitions. [2023-02-19 00:13:34,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:13:34,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:34,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:34,511 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2023-02-19 00:13:34,511 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:13:34,511 INFO L748 eck$LassoCheckResult]: Stem: 1343#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1344#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_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~m~0#1, main_~n~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~m~0#1;havoc main_~n~0#1;havoc main_~N~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~m~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1339#L21 assume (0 <= main_~n~0#1 && 0 <= main_~m~0#1) && 0 <= main_~N~0#1;main_~i~0#1 := 0; 1340#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 1352#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1347#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1350#L28-3 main_~i~0#1 := main_~k~0#1; 1362#L25-2 assume !!(main_~j~0#1 < main_~m~0#1);main_~j~0#1 := 1 + main_~j~0#1;main_~k~0#1 := main_~i~0#1; 1355#L28-2 assume !(main_~k~0#1 < main_~N~0#1 - 1); 1345#L28-3 main_~i~0#1 := main_~k~0#1; 1332#L25-2 [2023-02-19 00:13:34,511 INFO L750 eck$LassoCheckResult]: Loop: 1332#L25-2 assume !(main_~j~0#1 < main_~m~0#1); 1333#L25-3 main_~i~0#1 := 1 + main_~i~0#1; 1336#L23-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 0; 1332#L25-2 [2023-02-19 00:13:34,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:34,511 INFO L85 PathProgramCache]: Analyzing trace with hash -765354612, now seen corresponding path program 6 times [2023-02-19 00:13:34,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:34,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224644127] [2023-02-19 00:13:34,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:34,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:34,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:34,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:34,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:34,530 INFO L85 PathProgramCache]: Analyzing trace with hash 51226, now seen corresponding path program 3 times [2023-02-19 00:13:34,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:34,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958413550] [2023-02-19 00:13:34,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:34,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:34,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:34,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:34,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:34,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1302149807, now seen corresponding path program 5 times [2023-02-19 00:13:34,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:34,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391853039] [2023-02-19 00:13:34,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:34,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:34,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:34,559 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:34,559 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:34,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:34,559 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:34,559 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:13:34,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,560 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:34,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:34,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration8_Loop [2023-02-19 00:13:34,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:34,560 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:34,561 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 00:13:34,562 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 00:13:34,562 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 00:13:34,563 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 00:13:34,568 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:34,568 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:13:34,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,570 INFO L229 MonitoredProcess]: Starting monitored process 54 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 00:13:34,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-02-19 00:13:34,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:34,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:34,598 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:34,599 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:34,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-02-19 00:13:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,604 INFO L229 MonitoredProcess]: Starting monitored process 55 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 00:13:34,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:34,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:34,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-02-19 00:13:34,645 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:34,645 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0, ULTIMATE.start_main_~m~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:34,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,650 INFO L229 MonitoredProcess]: Starting monitored process 56 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 00:13:34,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-02-19 00:13:34,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:34,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:34,671 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:34,671 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_15=0} Honda state: {v_rep~unnamed0~0~false_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:34,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-02-19 00:13:34,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,680 INFO L229 MonitoredProcess]: Starting monitored process 57 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 00:13:34,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-02-19 00:13:34,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:34,684 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:34,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,695 INFO L229 MonitoredProcess]: Starting monitored process 58 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 00:13:34,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-02-19 00:13:34,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:13:34,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:34,912 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:13:34,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,916 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:34,916 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:34,916 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:34,916 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:34,916 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:13:34,916 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,916 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:34,916 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:34,916 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-nestedLoop-1.c_Iteration8_Loop [2023-02-19 00:13:34,916 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:34,916 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:34,917 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 00:13:34,918 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 00:13:34,919 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 00:13:34,920 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 00:13:34,922 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:34,922 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:13:34,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,923 INFO L229 MonitoredProcess]: Starting monitored process 59 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 00:13:34,929 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 00:13:34,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:34,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:34,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:34,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:34,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:13:34,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:13:34,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-02-19 00:13:34,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:34,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-02-19 00:13:34,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,947 INFO L229 MonitoredProcess]: Starting monitored process 60 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 00:13:34,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-02-19 00:13:34,950 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 00:13:34,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:34,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:34,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:34,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:34,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:34,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:34,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:34,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:13:34,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,977 INFO L229 MonitoredProcess]: Starting monitored process 61 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 00:13:34,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-02-19 00:13:34,980 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 00:13:34,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:13:34,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:13:34,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:13:34,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:13:34,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:13:34,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:13:34,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:13:34,989 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:13:34,991 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:13:34,991 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:13:34,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:34,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:34,993 INFO L229 MonitoredProcess]: Starting monitored process 62 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 00:13:34,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-02-19 00:13:34,996 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:13:34,996 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-19 00:13:34,996 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:13:34,996 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-02-19 00:13:34,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:34,999 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-19 00:13:35,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:35,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:35,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:35,031 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:35,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:35,036 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 00:13:35,037 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 [2023-02-19 00:13:35,037 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:35,052 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 77 transitions. Complement of second has 7 states. [2023-02-19 00:13:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-02-19 00:13:35,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2023-02-19 00:13:35,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:35,054 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:13:35,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:35,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:35,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:35,083 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:35,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:35,088 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 00:13:35,088 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-19 00:13:35,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:35,103 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 77 transitions. Complement of second has 7 states. [2023-02-19 00:13:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-02-19 00:13:35,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2023-02-19 00:13:35,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:35,105 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:13:35,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:35,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-19 00:13:35,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:13:35,124 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:13:35,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:13:35,129 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 00:13:35,129 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-19 00:13:35,129 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:35,143 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 74 transitions. Complement of second has 6 states. [2023-02-19 00:13:35,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-19 00:13:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-02-19 00:13:35,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2023-02-19 00:13:35,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:35,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 3 letters. [2023-02-19 00:13:35,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:35,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 6 letters. [2023-02-19 00:13:35,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:13:35,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 74 transitions. [2023-02-19 00:13:35,146 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-19 00:13:35,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2023-02-19 00:13:35,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-19 00:13:35,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-19 00:13:35,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-19 00:13:35,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-19 00:13:35,146 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-19 00:13:35,146 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-19 00:13:35,146 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-19 00:13:35,146 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-02-19 00:13:35,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-19 00:13:35,147 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-19 00:13:35,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-19 00:13:35,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.02 12:13:35 BoogieIcfgContainer [2023-02-19 00:13:35,153 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-19 00:13:35,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-19 00:13:35,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-19 00:13:35,153 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-19 00:13:35,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:13:26" (3/4) ... [2023-02-19 00:13:35,155 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-19 00:13:35,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-19 00:13:35,156 INFO L158 Benchmark]: Toolchain (without parser) took 8593.41ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 98.0MB in the beginning and 104.3MB in the end (delta: -6.3MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-02-19 00:13:35,156 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-19 00:13:35,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.23ms. Allocated memory is still 127.9MB. Free memory was 97.5MB in the beginning and 88.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-19 00:13:35,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.91ms. Allocated memory is still 127.9MB. Free memory was 88.2MB in the beginning and 87.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-19 00:13:35,156 INFO L158 Benchmark]: Boogie Preprocessor took 12.52ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 86.1MB in the end (delta: 907.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-19 00:13:35,157 INFO L158 Benchmark]: RCFGBuilder took 171.37ms. Allocated memory is still 127.9MB. Free memory was 86.1MB in the beginning and 77.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-19 00:13:35,157 INFO L158 Benchmark]: BuchiAutomizer took 8229.79ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 77.0MB in the beginning and 104.3MB in the end (delta: -27.3MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-02-19 00:13:35,157 INFO L158 Benchmark]: Witness Printer took 2.16ms. Allocated memory is still 186.6MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-19 00:13:35,158 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 127.9MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.23ms. Allocated memory is still 127.9MB. Free memory was 97.5MB in the beginning and 88.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.91ms. Allocated memory is still 127.9MB. Free memory was 88.2MB in the beginning and 87.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.52ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 86.1MB in the end (delta: 907.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 171.37ms. Allocated memory is still 127.9MB. Free memory was 86.1MB in the beginning and 77.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 8229.79ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 77.0MB in the beginning and 104.3MB in the end (delta: -27.3MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Witness Printer took 2.16ms. Allocated memory is still 186.6MB. Free memory is still 104.3MB. 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 10 terminating modules (2 trivial, 5 deterministic, 3 nondeterministic). One deterministic module has affine ranking function -1 * i + n and consists of 5 locations. One deterministic module has affine ranking function N + -1 * k and consists of 4 locations. One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * j + m and consists of 3 locations. One deterministic module has affine ranking function -1 * k + n and consists of 7 locations. One nondeterministic module has affine ranking function N + -1 * k and consists of 4 locations. One nondeterministic module has affine ranking function -1 * j + m and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + n and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 9 iterations. TraceHistogramMax:2. Analysis of lassos took 6.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 47 StatesRemovedByMinimization, 7 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 [5, 0, 3, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/5 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 223 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 209 mSDsluCounter, 278 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 195 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT6 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax168 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf93 smp100 dnf100 smp100 tf111 neg98 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 17 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 5.1s 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 00:13:35,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:35,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-02-19 00:13:35,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2023-02-19 00:13:35,771 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