./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 26d01a9c 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/Toulouse-BranchesToLoop-2.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 8ea772b622b52d4ecb98eff913fdaad419b414b3ea50b3836c7037318b9a616b --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 08:54:03,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 08:54:03,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 08:54:03,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 08:54:03,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 08:54:03,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 08:54:03,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 08:54:03,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 08:54:03,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 08:54:03,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 08:54:03,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 08:54:03,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 08:54:03,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 08:54:03,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 08:54:03,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 08:54:03,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 08:54:03,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 08:54:03,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 08:54:03,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 08:54:03,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 08:54:03,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 08:54:03,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 08:54:03,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 08:54:03,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 08:54:03,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 08:54:03,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 08:54:03,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 08:54:03,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 08:54:03,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 08:54:03,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 08:54:03,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 08:54:03,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 08:54:03,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 08:54:03,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 08:54:03,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 08:54:03,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 08:54:03,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 08:54:03,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 08:54:03,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 08:54:03,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 08:54:03,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 08:54:03,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-18 08:54:03,949 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 08:54:03,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 08:54:03,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 08:54:03,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 08:54:03,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 08:54:03,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 08:54:03,951 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 08:54:03,951 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-18 08:54:03,951 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-18 08:54:03,951 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-18 08:54:03,952 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-18 08:54:03,952 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-18 08:54:03,952 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-18 08:54:03,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 08:54:03,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 08:54:03,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 08:54:03,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 08:54:03,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-18 08:54:03,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-18 08:54:03,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-18 08:54:03,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 08:54:03,953 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-18 08:54:03,953 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 08:54:03,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-18 08:54:03,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 08:54:03,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 08:54:03,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 08:54:03,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 08:54:03,954 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-18 08:54:03,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ea772b622b52d4ecb98eff913fdaad419b414b3ea50b3836c7037318b9a616b [2023-02-18 08:54:04,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 08:54:04,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 08:54:04,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 08:54:04,166 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 08:54:04,166 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 08:54:04,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2023-02-18 08:54:05,178 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 08:54:05,317 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 08:54:05,318 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2023-02-18 08:54:05,321 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8433130/cdaa645a7aa84f03bb3c24ee61073c43/FLAG5ec78162f [2023-02-18 08:54:05,334 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8433130/cdaa645a7aa84f03bb3c24ee61073c43 [2023-02-18 08:54:05,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 08:54:05,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 08:54:05,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 08:54:05,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 08:54:05,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 08:54:05,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6974dca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05, skipping insertion in model container [2023-02-18 08:54:05,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 08:54:05,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 08:54:05,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:54:05,444 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 08:54:05,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:54:05,462 INFO L208 MainTranslator]: Completed translation [2023-02-18 08:54:05,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05 WrapperNode [2023-02-18 08:54:05,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 08:54:05,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 08:54:05,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 08:54:05,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 08:54:05,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,482 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-02-18 08:54:05,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 08:54:05,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 08:54:05,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 08:54:05,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 08:54:05,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 08:54:05,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 08:54:05,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 08:54:05,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 08:54:05,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (1/1) ... [2023-02-18 08:54:05,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:05,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:05,527 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) [2023-02-18 08:54:05,533 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 [2023-02-18 08:54:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 08:54:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 08:54:05,605 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 08:54:05,606 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 08:54:05,653 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 08:54:05,657 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 08:54:05,657 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 08:54:05,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:54:05 BoogieIcfgContainer [2023-02-18 08:54:05,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 08:54:05,659 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-18 08:54:05,659 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-18 08:54:05,662 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-18 08:54:05,662 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 08:54:05,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.02 08:54:05" (1/3) ... [2023-02-18 08:54:05,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3daba108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.02 08:54:05, skipping insertion in model container [2023-02-18 08:54:05,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 08:54:05,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:54:05" (2/3) ... [2023-02-18 08:54:05,664 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3daba108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.02 08:54:05, skipping insertion in model container [2023-02-18 08:54:05,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 08:54:05,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:54:05" (3/3) ... [2023-02-18 08:54:05,665 INFO L332 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-2.c [2023-02-18 08:54:05,698 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-18 08:54:05,698 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-18 08:54:05,698 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-18 08:54:05,698 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-18 08:54:05,698 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-18 08:54:05,698 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-18 08:54:05,699 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-18 08:54:05,699 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-18 08:54:05,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:54:05,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-18 08:54:05,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 08:54:05,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 08:54:05,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-18 08:54:05,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-18 08:54:05,722 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-18 08:54:05,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:54:05,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-18 08:54:05,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 08:54:05,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 08:54:05,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-18 08:54:05,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-18 08:54:05,729 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L20true assume !!(-268435455 <= main_~y~0#1); 5#L21true assume !!(-268435455 <= main_~z~0#1); 3#L22true assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 8#L27-1true [2023-02-18 08:54:05,729 INFO L750 eck$LassoCheckResult]: Loop: 8#L27-1true assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 8#L27-1true [2023-02-18 08:54:05,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:54:05,733 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2023-02-18 08:54:05,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:54:05,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666333366] [2023-02-18 08:54:05,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:54:05,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:54:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:05,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 08:54:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:05,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 08:54:05,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:54:05,858 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2023-02-18 08:54:05,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:54:05,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213884000] [2023-02-18 08:54:05,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:54:05,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:54:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:05,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 08:54:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:05,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 08:54:05,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:54:05,885 INFO L85 PathProgramCache]: Analyzing trace with hash 889571283, now seen corresponding path program 1 times [2023-02-18 08:54:05,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:54:05,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257641696] [2023-02-18 08:54:05,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:54:05,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:54:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:05,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 08:54:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:05,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 08:54:05,959 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 08:54:05,960 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 08:54:05,960 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 08:54:05,961 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 08:54:05,961 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 08:54:05,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:05,961 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 08:54:05,961 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 08:54:05,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2023-02-18 08:54:05,962 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 08:54:05,962 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 08:54:05,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:05,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:05,991 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:05,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:05,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:05,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,014 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 08:54:06,015 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 08:54:06,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,021 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) [2023-02-18 08:54:06,022 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 [2023-02-18 08:54:06,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 08:54:06,024 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 08:54:06,058 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 [2023-02-18 08:54:06,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,059 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) [2023-02-18 08:54:06,060 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 [2023-02-18 08:54:06,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 08:54:06,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 08:54:06,083 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-18 08:54:06,099 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 [2023-02-18 08:54:06,100 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 08:54:06,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 08:54:06,100 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 08:54:06,100 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 08:54:06,100 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 08:54:06,100 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,100 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 08:54:06,100 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 08:54:06,100 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2023-02-18 08:54:06,100 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 08:54:06,100 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 08:54:06,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,117 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 08:54:06,120 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 08:54:06,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,141 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) [2023-02-18 08:54:06,146 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 [2023-02-18 08:54:06,147 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 [2023-02-18 08:54:06,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 08:54:06,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 08:54:06,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 08:54:06,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 08:54:06,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 08:54:06,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-18 08:54:06,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 08:54:06,195 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 [2023-02-18 08:54:06,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,197 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) [2023-02-18 08:54:06,212 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 [2023-02-18 08:54:06,215 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 [2023-02-18 08:54:06,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 08:54:06,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 08:54:06,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 08:54:06,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 08:54:06,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 08:54:06,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 08:54:06,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 08:54:06,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 08:54:06,245 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 [2023-02-18 08:54:06,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,253 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) [2023-02-18 08:54:06,258 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 [2023-02-18 08:54:06,258 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 [2023-02-18 08:54:06,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 08:54:06,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 08:54:06,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 08:54:06,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 08:54:06,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 08:54:06,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-18 08:54:06,294 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-18 08:54:06,311 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-02-18 08:54:06,311 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-02-18 08:54:06,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,316 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) [2023-02-18 08:54:06,317 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 [2023-02-18 08:54:06,320 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-18 08:54:06,329 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-18 08:54:06,329 INFO L513 LassoAnalysis]: Proved termination. [2023-02-18 08:54:06,330 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 199*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~y~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2023-02-18 08:54:06,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-02-18 08:54:06,346 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-18 08:54:06,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:54:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:54:06,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 08:54:06,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 08:54:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:54:06,413 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 08:54:06,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 08:54:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:54:06,439 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 [2023-02-18 08:54:06,441 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2023-02-18 08:54:06,468 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 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 25 states and 32 transitions. Complement of second has 5 states. [2023-02-18 08:54:06,470 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 [2023-02-18 08:54:06,473 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) [2023-02-18 08:54:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-02-18 08:54:06,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-18 08:54:06,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 08:54:06,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2023-02-18 08:54:06,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 08:54:06,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-18 08:54:06,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 08:54:06,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2023-02-18 08:54:06,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-18 08:54:06,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 6 states and 6 transitions. [2023-02-18 08:54:06,481 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-18 08:54:06,481 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-02-18 08:54:06,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2023-02-18 08:54:06,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-18 08:54:06,481 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2023-02-18 08:54:06,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2023-02-18 08:54:06,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-02-18 08:54:06,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 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) [2023-02-18 08:54:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-02-18 08:54:06,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2023-02-18 08:54:06,497 INFO L428 stractBuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2023-02-18 08:54:06,497 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-18 08:54:06,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2023-02-18 08:54:06,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-18 08:54:06,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 08:54:06,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 08:54:06,498 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-18 08:54:06,499 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-18 08:54:06,499 INFO L748 eck$LassoCheckResult]: Stem: 87#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 88#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_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 89#L20 assume !!(-268435455 <= main_~y~0#1); 86#L21 assume !!(-268435455 <= main_~z~0#1); 84#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 85#L27-1 [2023-02-18 08:54:06,499 INFO L750 eck$LassoCheckResult]: Loop: 85#L27-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 85#L27-1 [2023-02-18 08:54:06,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:54:06,499 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-02-18 08:54:06,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:54:06,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696178505] [2023-02-18 08:54:06,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:54:06,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:54:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:06,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 08:54:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:06,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 08:54:06,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:54:06,506 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 2 times [2023-02-18 08:54:06,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:54:06,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030909276] [2023-02-18 08:54:06,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:54:06,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:54:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:06,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 08:54:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:06,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 08:54:06,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:54:06,512 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2023-02-18 08:54:06,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:54:06,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811279022] [2023-02-18 08:54:06,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:54:06,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:54:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:06,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 08:54:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 08:54:06,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 08:54:06,526 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 08:54:06,526 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 08:54:06,526 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 08:54:06,526 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 08:54:06,527 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 08:54:06,527 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,528 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 08:54:06,528 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 08:54:06,528 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2023-02-18 08:54:06,528 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 08:54:06,528 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 08:54:06,529 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,533 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,548 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,554 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 08:54:06,554 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 08:54:06,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,560 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) [2023-02-18 08:54:06,562 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 [2023-02-18 08:54:06,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 08:54:06,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 08:54:06,577 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-18 08:54:06,577 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: [] [2023-02-18 08:54:06,580 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 [2023-02-18 08:54:06,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,582 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) [2023-02-18 08:54:06,582 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 [2023-02-18 08:54:06,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 08:54:06,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 08:54:06,592 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-18 08:54:06,592 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-18 08:54:06,594 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 [2023-02-18 08:54:06,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,597 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) [2023-02-18 08:54:06,598 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 [2023-02-18 08:54:06,599 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 08:54:06,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 08:54:06,606 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-18 08:54:06,606 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-18 08:54:06,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-18 08:54:06,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,612 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) [2023-02-18 08:54:06,613 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 [2023-02-18 08:54:06,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 08:54:06,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 08:54:06,626 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-18 08:54:06,626 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-18 08:54:06,629 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 [2023-02-18 08:54:06,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,630 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) [2023-02-18 08:54:06,631 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 [2023-02-18 08:54:06,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 08:54:06,633 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 08:54:06,653 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 [2023-02-18 08:54:06,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,655 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) [2023-02-18 08:54:06,656 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 [2023-02-18 08:54:06,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 08:54:06,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 08:54:06,681 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-18 08:54:06,684 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 [2023-02-18 08:54:06,685 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 08:54:06,685 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 08:54:06,685 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 08:54:06,685 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 08:54:06,685 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 08:54:06,685 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,685 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 08:54:06,685 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 08:54:06,685 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2023-02-18 08:54:06,685 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 08:54:06,685 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 08:54:06,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,690 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,693 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 08:54:06,696 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 08:54:06,696 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 08:54:06,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,698 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) [2023-02-18 08:54:06,700 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 [2023-02-18 08:54:06,702 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 [2023-02-18 08:54:06,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 08:54:06,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 08:54:06,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 08:54:06,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 08:54:06,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 08:54:06,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-18 08:54:06,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 08:54:06,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-02-18 08:54:06,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,742 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) [2023-02-18 08:54:06,744 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 [2023-02-18 08:54:06,749 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 [2023-02-18 08:54:06,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 08:54:06,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 08:54:06,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 08:54:06,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 08:54:06,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 08:54:06,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 08:54:06,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 08:54:06,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 08:54:06,775 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 [2023-02-18 08:54:06,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,777 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) [2023-02-18 08:54:06,780 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 [2023-02-18 08:54:06,781 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 [2023-02-18 08:54:06,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 08:54:06,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 08:54:06,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 08:54:06,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 08:54:06,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 08:54:06,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 08:54:06,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 08:54:06,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 08:54:06,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-18 08:54:06,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,821 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) [2023-02-18 08:54:06,825 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 [2023-02-18 08:54:06,827 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 [2023-02-18 08:54:06,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 08:54:06,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 08:54:06,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 08:54:06,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 08:54:06,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 08:54:06,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 08:54:06,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 08:54:06,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 08:54:06,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 08:54:06,846 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 [2023-02-18 08:54:06,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,847 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) [2023-02-18 08:54:06,849 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 [2023-02-18 08:54:06,851 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 [2023-02-18 08:54:06,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 08:54:06,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 08:54:06,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 08:54:06,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 08:54:06,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 08:54:06,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-18 08:54:06,878 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-18 08:54:06,891 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-02-18 08:54:06,891 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-02-18 08:54:06,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 08:54:06,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:54:06,893 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) [2023-02-18 08:54:06,896 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 [2023-02-18 08:54:06,898 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-18 08:54:06,904 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-18 08:54:06,904 INFO L513 LassoAnalysis]: Proved termination. [2023-02-18 08:54:06,904 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = -2*ULTIMATE.start_main_~z~0#1 + 199 Supporting invariants [-1*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2023-02-18 08:54:06,909 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 [2023-02-18 08:54:06,912 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-18 08:54:06,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:54:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:54:06,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 08:54:06,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 08:54:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:54:06,956 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 08:54:06,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 08:54:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:54:06,957 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 [2023-02-18 08:54:06,957 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 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) [2023-02-18 08:54:06,966 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. 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 7 states and 7 transitions. Complement of second has 2 states. [2023-02-18 08:54:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2023-02-18 08:54:06,967 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) [2023-02-18 08:54:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2023-02-18 08:54:06,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-18 08:54:06,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 08:54:06,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 6 letters. Loop has 1 letters. [2023-02-18 08:54:06,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 08:54:06,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-18 08:54:06,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 08:54:06,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 7 transitions. [2023-02-18 08:54:06,968 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-18 08:54:06,968 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. [2023-02-18 08:54:06,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-18 08:54:06,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-18 08:54:06,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-18 08:54:06,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-18 08:54:06,968 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 08:54:06,969 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 08:54:06,969 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 08:54:06,969 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-18 08:54:06,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-18 08:54:06,969 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-18 08:54:06,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-18 08:54:06,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.02 08:54:06 BoogieIcfgContainer [2023-02-18 08:54:06,975 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-18 08:54:06,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 08:54:06,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 08:54:06,975 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 08:54:06,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:54:05" (3/4) ... [2023-02-18 08:54:06,978 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-18 08:54:06,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 08:54:06,978 INFO L158 Benchmark]: Toolchain (without parser) took 1641.81ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 80.9MB in the beginning and 126.7MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:54:06,978 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory was 101.9MB in the beginning and 101.8MB in the end (delta: 116.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:54:06,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 125.95ms. Allocated memory is still 130.0MB. Free memory was 80.9MB in the beginning and 71.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 08:54:06,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.07ms. Allocated memory is still 130.0MB. Free memory was 71.8MB in the beginning and 69.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 08:54:06,979 INFO L158 Benchmark]: Boogie Preprocessor took 17.75ms. Allocated memory is still 130.0MB. Free memory was 69.8MB in the beginning and 68.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 08:54:06,979 INFO L158 Benchmark]: RCFGBuilder took 156.85ms. Allocated memory is still 130.0MB. Free memory was 68.8MB in the beginning and 60.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 08:54:06,980 INFO L158 Benchmark]: BuchiAutomizer took 1315.45ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 60.0MB in the beginning and 126.7MB in the end (delta: -66.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:54:06,980 INFO L158 Benchmark]: Witness Printer took 2.39ms. Allocated memory is still 167.8MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:54:06,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory was 101.9MB in the beginning and 101.8MB in the end (delta: 116.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 125.95ms. Allocated memory is still 130.0MB. Free memory was 80.9MB in the beginning and 71.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.07ms. Allocated memory is still 130.0MB. Free memory was 71.8MB in the beginning and 69.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.75ms. Allocated memory is still 130.0MB. Free memory was 69.8MB in the beginning and 68.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 156.85ms. Allocated memory is still 130.0MB. Free memory was 68.8MB in the beginning and 60.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1315.45ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 60.0MB in the beginning and 126.7MB in the end (delta: -66.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.39ms. Allocated memory is still 167.8MB. Free memory is still 126.7MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 199 * x + -2 * y and consists of 4 locations. One deterministic module has affine ranking function -2 * z + 199 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 21 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital28 mio100 ax142 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-18 08:54:06,997 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 [2023-02-18 08:54:07,199 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