./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/NO_23.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5317dae Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/NO_23.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 fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:33:14,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:33:14,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:33:14,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:33:14,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:33:14,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:33:14,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:33:14,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:33:14,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:33:14,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:33:14,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:33:14,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:33:14,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:33:14,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:33:14,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:33:14,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:33:14,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:33:14,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:33:14,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:33:14,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:33:14,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:33:14,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:33:14,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:33:14,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:33:14,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:33:14,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:33:14,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:33:14,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:33:14,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:33:14,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:33:14,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:33:14,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:33:14,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:33:14,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:33:14,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:33:14,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:33:14,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:33:14,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:33:14,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:33:14,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:33:14,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:33:14,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-16 04:33:14,781 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:33:14,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:33:14,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:33:14,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:33:14,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:33:14,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:33:14,782 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:33:14,782 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-16 04:33:14,782 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-16 04:33:14,783 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-16 04:33:14,783 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-16 04:33:14,783 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-16 04:33:14,783 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-16 04:33:14,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:33:14,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-16 04:33:14,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:33:14,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:33:14,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:33:14,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:33:14,785 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-16 04:33:14,785 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf [2023-02-16 04:33:15,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:33:15,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:33:15,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:33:15,029 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:33:15,030 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:33:15,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/NO_23.c [2023-02-16 04:33:16,045 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:33:16,216 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:33:16,216 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_23.c [2023-02-16 04:33:16,220 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a119a076e/10bbd4c4e376441aa41d824f8da85ece/FLAG671b30cad [2023-02-16 04:33:16,231 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a119a076e/10bbd4c4e376441aa41d824f8da85ece [2023-02-16 04:33:16,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:33:16,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:33:16,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:33:16,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:33:16,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:33:16,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126e58e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16, skipping insertion in model container [2023-02-16 04:33:16,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:33:16,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:33:16,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:33:16,369 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:33:16,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:33:16,388 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:33:16,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16 WrapperNode [2023-02-16 04:33:16,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:33:16,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:33:16,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:33:16,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:33:16,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,412 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2023-02-16 04:33:16,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:33:16,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:33:16,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:33:16,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:33:16,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,425 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:33:16,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:33:16,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:33:16,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:33:16,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (1/1) ... [2023-02-16 04:33:16,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:16,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:16,451 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) [2023-02-16 04:33:16,461 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 [2023-02-16 04:33:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:33:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:33:16,532 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:33:16,534 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:33:16,589 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:33:16,595 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:33:16,596 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-16 04:33:16,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:33:16 BoogieIcfgContainer [2023-02-16 04:33:16,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:33:16,599 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-16 04:33:16,599 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-16 04:33:16,602 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-16 04:33:16,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:33:16,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.02 04:33:16" (1/3) ... [2023-02-16 04:33:16,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3283eda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:33:16, skipping insertion in model container [2023-02-16 04:33:16,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:33:16,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:33:16" (2/3) ... [2023-02-16 04:33:16,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3283eda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:33:16, skipping insertion in model container [2023-02-16 04:33:16,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:33:16,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:33:16" (3/3) ... [2023-02-16 04:33:16,606 INFO L332 chiAutomizerObserver]: Analyzing ICFG NO_23.c [2023-02-16 04:33:16,654 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-16 04:33:16,654 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-16 04:33:16,655 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-16 04:33:16,655 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-16 04:33:16,655 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-16 04:33:16,655 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-16 04:33:16,655 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-16 04:33:16,655 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-16 04:33:16,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:16,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:33:16,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:33:16,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:33:16,672 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-16 04:33:16,673 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:33:16,673 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-16 04:33:16,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:16,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:33:16,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:33:16,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:33:16,674 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-16 04:33:16,675 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:33:16,680 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 3#L10-2true [2023-02-16 04:33:16,681 INFO L750 eck$LassoCheckResult]: Loop: 3#L10-2true assume !!(main_~i~0#1 < 100); 5#L10true assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 3#L10-2true [2023-02-16 04:33:16,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:16,685 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-02-16 04:33:16,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:16,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034996645] [2023-02-16 04:33:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:16,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:16,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:16,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:16,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:16,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2023-02-16 04:33:16,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:16,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700750627] [2023-02-16 04:33:16,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:16,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:16,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:16,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:16,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:16,764 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-02-16 04:33:16,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:16,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593720625] [2023-02-16 04:33:16,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:16,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:33:16,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:33:16,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593720625] [2023-02-16 04:33:16,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593720625] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:33:16,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:33:16,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:33:16,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250612354] [2023-02-16 04:33:16,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:33:16,865 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:33:16,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:33:16,865 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:33:16,865 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:33:16,866 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:33:16,866 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:16,866 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:33:16,866 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:33:16,866 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2023-02-16 04:33:16,866 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:33:16,866 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:33:16,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:16,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:16,890 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:16,948 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:33:16,948 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:33:16,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:16,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:16,973 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) [2023-02-16 04:33:16,974 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 [2023-02-16 04:33:16,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:16,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:16,997 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:33:16,997 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:33:17,000 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 [2023-02-16 04:33:17,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,006 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) [2023-02-16 04:33:17,016 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:17,016 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,023 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 [2023-02-16 04:33:17,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:33:17,028 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:33:17,032 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 [2023-02-16 04:33:17,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,033 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) [2023-02-16 04:33:17,035 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 [2023-02-16 04:33:17,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:17,036 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,051 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 [2023-02-16 04:33:17,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,053 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) [2023-02-16 04:33:17,054 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 [2023-02-16 04:33:17,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:33:17,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,081 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:33:17,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-16 04:33:17,085 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:33:17,085 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:33:17,085 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:33:17,085 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:33:17,085 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:33:17,085 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,085 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:33:17,085 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:33:17,086 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2023-02-16 04:33:17,086 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:33:17,086 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:33:17,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,157 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:33:17,160 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:33:17,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,162 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) [2023-02-16 04:33:17,164 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 [2023-02-16 04:33:17,166 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 [2023-02-16 04:33:17,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:17,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:17,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:17,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:17,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:33:17,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:33:17,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:17,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:17,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,194 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) [2023-02-16 04:33:17,195 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 [2023-02-16 04:33:17,198 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 [2023-02-16 04:33:17,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:17,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:17,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:17,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:17,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:33:17,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:33:17,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:17,229 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 [2023-02-16 04:33:17,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,230 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) [2023-02-16 04:33:17,232 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 [2023-02-16 04:33:17,234 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 [2023-02-16 04:33:17,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:17,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:17,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:17,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:17,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:17,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:33:17,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:17,249 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:33:17,251 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-16 04:33:17,251 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-16 04:33:17,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,254 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) [2023-02-16 04:33:17,255 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 [2023-02-16 04:33:17,256 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:33:17,256 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-16 04:33:17,256 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:33:17,257 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-16 04:33:17,262 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 [2023-02-16 04:33:17,264 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-16 04:33:17,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:17,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:33:17,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:17,306 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:33:17,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:33:17,328 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 [2023-02-16 04:33:17,330 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:17,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 6 states. [2023-02-16 04:33:17,358 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 [2023-02-16 04:33:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-02-16 04:33:17,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-16 04:33:17,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:17,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-16 04:33:17,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:17,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-16 04:33:17,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:17,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2023-02-16 04:33:17,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:33:17,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2023-02-16 04:33:17,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-16 04:33:17,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-02-16 04:33:17,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2023-02-16 04:33:17,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:33:17,373 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-16 04:33:17,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2023-02-16 04:33:17,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-02-16 04:33:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:17,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-02-16 04:33:17,389 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-16 04:33:17,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:33:17,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:33:17,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:33:17,391 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:17,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:33:17,399 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2023-02-16 04:33:17,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. [2023-02-16 04:33:17,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:33:17,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 7 transitions. [2023-02-16 04:33:17,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-16 04:33:17,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-02-16 04:33:17,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2023-02-16 04:33:17,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:33:17,401 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2023-02-16 04:33:17,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2023-02-16 04:33:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-02-16 04:33:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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) [2023-02-16 04:33:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2023-02-16 04:33:17,403 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2023-02-16 04:33:17,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:33:17,404 INFO L428 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2023-02-16 04:33:17,404 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-16 04:33:17,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2023-02-16 04:33:17,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:33:17,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:33:17,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:33:17,408 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-16 04:33:17,409 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:33:17,409 INFO L748 eck$LassoCheckResult]: Stem: 86#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 87#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 88#L10-2 assume !!(main_~i~0#1 < 100); 85#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 83#L10-2 [2023-02-16 04:33:17,409 INFO L750 eck$LassoCheckResult]: Loop: 83#L10-2 assume !!(main_~i~0#1 < 100); 84#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 83#L10-2 [2023-02-16 04:33:17,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:17,414 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2023-02-16 04:33:17,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:17,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684006346] [2023-02-16 04:33:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:17,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:17,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:17,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:17,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:17,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2023-02-16 04:33:17,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:17,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705840526] [2023-02-16 04:33:17,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:17,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:17,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:17,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:17,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:17,436 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2023-02-16 04:33:17,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:17,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345480492] [2023-02-16 04:33:17,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:17,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:17,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:17,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:17,455 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:33:17,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:33:17,455 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:33:17,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:33:17,455 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:33:17,456 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:33:17,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:33:17,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2023-02-16 04:33:17,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:33:17,456 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:33:17,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,496 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:33:17,496 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:33:17,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,498 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) [2023-02-16 04:33:17,500 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 [2023-02-16 04:33:17,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:17,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,523 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:33:17,523 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: [] [2023-02-16 04:33:17,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:17,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,529 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) [2023-02-16 04:33:17,530 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 [2023-02-16 04:33:17,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:17,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,549 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:33:17,550 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:33:17,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-16 04:33:17,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,556 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) [2023-02-16 04:33:17,556 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 [2023-02-16 04:33:17,559 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:17,559 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,570 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 [2023-02-16 04:33:17,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,572 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) [2023-02-16 04:33:17,572 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 [2023-02-16 04:33:17,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:33:17,575 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,590 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:33:17,593 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 [2023-02-16 04:33:17,593 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:33:17,594 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:33:17,594 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:33:17,594 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:33:17,594 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:33:17,594 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,594 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:33:17,594 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:33:17,594 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2023-02-16 04:33:17,594 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:33:17,594 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:33:17,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,644 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:33:17,644 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:33:17,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,645 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) [2023-02-16 04:33:17,648 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 [2023-02-16 04:33:17,649 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 [2023-02-16 04:33:17,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:17,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:17,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:17,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:17,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:33:17,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:33:17,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:17,675 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 [2023-02-16 04:33:17,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,677 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) [2023-02-16 04:33:17,687 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 [2023-02-16 04:33:17,694 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 [2023-02-16 04:33:17,694 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 [2023-02-16 04:33:17,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:17,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:17,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:17,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:17,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:33:17,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:33:17,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:17,726 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 [2023-02-16 04:33:17,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,728 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) [2023-02-16 04:33:17,730 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 [2023-02-16 04:33:17,732 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 [2023-02-16 04:33:17,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:17,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:17,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:17,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:17,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:17,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:33:17,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:17,752 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:33:17,754 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-16 04:33:17,754 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-16 04:33:17,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,755 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) [2023-02-16 04:33:17,757 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 [2023-02-16 04:33:17,759 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:33:17,759 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-16 04:33:17,759 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:33:17,759 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-16 04:33:17,764 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 [2023-02-16 04:33:17,765 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-16 04:33:17,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:17,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:33:17,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:17,784 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:33:17,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:33:17,787 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 [2023-02-16 04:33:17,787 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:17,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 13 transitions. Complement of second has 5 states. [2023-02-16 04:33:17,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:33:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:17,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2023-02-16 04:33:17,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-16 04:33:17,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:17,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2023-02-16 04:33:17,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:17,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2023-02-16 04:33:17,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:17,794 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2023-02-16 04:33:17,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:33:17,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. [2023-02-16 04:33:17,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-16 04:33:17,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-16 04:33:17,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2023-02-16 04:33:17,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:33:17,795 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-02-16 04:33:17,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2023-02-16 04:33:17,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-02-16 04:33:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2023-02-16 04:33:17,796 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-02-16 04:33:17,796 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-02-16 04:33:17,796 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-16 04:33:17,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2023-02-16 04:33:17,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:33:17,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:33:17,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:33:17,797 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2023-02-16 04:33:17,797 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:33:17,797 INFO L748 eck$LassoCheckResult]: Stem: 141#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 142#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 143#L10-2 assume !!(main_~i~0#1 < 100); 145#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 144#L10-2 assume !!(main_~i~0#1 < 100); 140#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 136#L10-2 [2023-02-16 04:33:17,797 INFO L750 eck$LassoCheckResult]: Loop: 136#L10-2 assume !!(main_~i~0#1 < 100); 137#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 136#L10-2 [2023-02-16 04:33:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:17,797 INFO L85 PathProgramCache]: Analyzing trace with hash 889692233, now seen corresponding path program 2 times [2023-02-16 04:33:17,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:17,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531234154] [2023-02-16 04:33:17,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:17,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:33:17,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:33:17,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531234154] [2023-02-16 04:33:17,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531234154] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:33:17,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:33:17,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:33:17,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832457271] [2023-02-16 04:33:17,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:33:17,813 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-16 04:33:17,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:17,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2023-02-16 04:33:17,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:17,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848570960] [2023-02-16 04:33:17,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:17,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:17,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:17,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:17,829 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:33:17,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:33:17,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:33:17,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:33:17,829 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:33:17,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:33:17,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:33:17,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2023-02-16 04:33:17,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:33:17,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:33:17,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,860 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:33:17,860 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:33:17,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,875 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) [2023-02-16 04:33:17,875 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 [2023-02-16 04:33:17,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:17,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,896 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:33:17,896 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:33:17,908 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 [2023-02-16 04:33:17,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,910 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) [2023-02-16 04:33:17,912 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 [2023-02-16 04:33:17,913 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:17,913 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,937 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 [2023-02-16 04:33:17,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:17,938 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:17,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:33:17,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:17,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-16 04:33:17,968 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:33:17,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:17,983 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:33:17,983 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:33:17,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:33:17,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:33:17,983 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:33:17,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:17,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:33:17,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:33:17,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2023-02-16 04:33:17,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:33:17,984 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:33:17,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:17,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:18,019 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:33:18,019 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:33:18,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,020 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,025 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 [2023-02-16 04:33:18,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:18,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:18,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:33:18,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:18,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-16 04:33:18,041 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:33:18,057 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-16 04:33:18,057 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-16 04:33:18,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,060 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-16 04:33:18,062 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:33:18,062 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-16 04:33:18,062 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:33:18,062 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-16 04:33:18,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,068 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-16 04:33:18,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:18,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:33:18,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:18,089 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:33:18,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:18,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:33:18,091 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 [2023-02-16 04:33:18,092 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-02-16 04:33:18,098 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12 states and 17 transitions. Complement of second has 5 states. [2023-02-16 04:33:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:33:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-02-16 04:33:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2023-02-16 04:33:18,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2023-02-16 04:33:18,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:18,099 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:33:18,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:18,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:33:18,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:18,118 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:33:18,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:33:18,120 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-16 04:33:18,120 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-02-16 04:33:18,125 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12 states and 17 transitions. Complement of second has 5 states. [2023-02-16 04:33:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:33:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-02-16 04:33:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2023-02-16 04:33:18,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2023-02-16 04:33:18,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:18,126 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:33:18,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:18,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:33:18,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:33:18,145 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:33:18,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:33:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:33:18,147 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-16 04:33:18,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-02-16 04:33:18,153 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 14 states and 20 transitions. Complement of second has 4 states. [2023-02-16 04:33:18,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:33:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-02-16 04:33:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-02-16 04:33:18,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2023-02-16 04:33:18,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:18,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2023-02-16 04:33:18,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:18,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2023-02-16 04:33:18,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:33:18,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. [2023-02-16 04:33:18,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-16 04:33:18,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 16 transitions. [2023-02-16 04:33:18,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-16 04:33:18,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-16 04:33:18,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2023-02-16 04:33:18,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:33:18,155 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-02-16 04:33:18,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2023-02-16 04:33:18,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2023-02-16 04:33:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-02-16 04:33:18,156 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-02-16 04:33:18,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:33:18,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:33:18,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:33:18,156 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:33:18,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:33:18,162 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2023-02-16 04:33:18,162 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2023-02-16 04:33:18,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-16 04:33:18,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 9 transitions. [2023-02-16 04:33:18,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-02-16 04:33:18,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-16 04:33:18,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2023-02-16 04:33:18,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:33:18,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2023-02-16 04:33:18,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2023-02-16 04:33:18,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-02-16 04:33:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-02-16 04:33:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-02-16 04:33:18,163 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-16 04:33:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:33:18,165 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-16 04:33:18,165 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-16 04:33:18,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2023-02-16 04:33:18,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-16 04:33:18,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:33:18,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:33:18,165 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-16 04:33:18,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2023-02-16 04:33:18,166 INFO L748 eck$LassoCheckResult]: Stem: 301#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 302#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 303#L10-2 assume !!(main_~i~0#1 < 100); 300#L10 [2023-02-16 04:33:18,166 INFO L750 eck$LassoCheckResult]: Loop: 300#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 297#L10-2 assume !!(main_~i~0#1 < 100); 298#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 299#L10-2 assume !!(main_~i~0#1 < 100); 300#L10 [2023-02-16 04:33:18,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:18,166 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-02-16 04:33:18,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:18,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294514771] [2023-02-16 04:33:18,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:18,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:18,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:18,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:18,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:18,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 1 times [2023-02-16 04:33:18,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:18,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838463174] [2023-02-16 04:33:18,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:18,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:18,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:18,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:18,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:18,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 2 times [2023-02-16 04:33:18,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:18,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061906964] [2023-02-16 04:33:18,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:18,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:18,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:18,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:18,232 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:33:18,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:33:18,232 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:33:18,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:33:18,233 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:33:18,233 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,233 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:33:18,233 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:33:18,233 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2023-02-16 04:33:18,233 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:33:18,233 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:33:18,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:18,241 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:18,243 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:18,246 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:18,271 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:33:18,272 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:33:18,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,273 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-16 04:33:18,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:18,277 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:18,297 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:33:18,298 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: [] [2023-02-16 04:33:18,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,302 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-16 04:33:18,306 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:18,306 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:18,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:33:18,317 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:33:18,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,321 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-16 04:33:18,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:33:18,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:18,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,344 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-16 04:33:18,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:33:18,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:33:18,376 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:33:18,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,380 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:33:18,381 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:33:18,381 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:33:18,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:33:18,381 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:33:18,381 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,381 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:33:18,381 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:33:18,381 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2023-02-16 04:33:18,381 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:33:18,381 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:33:18,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:18,384 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:18,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:18,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:33:18,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:33:18,423 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:33:18,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,424 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,433 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 [2023-02-16 04:33:18,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:18,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:18,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:33:18,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:18,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-16 04:33:18,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,456 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-16 04:33:18,460 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 [2023-02-16 04:33:18,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:18,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:33:18,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:33:18,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,491 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-16 04:33:18,495 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 [2023-02-16 04:33:18,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:18,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:33:18,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:33:18,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,526 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-16 04:33:18,530 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 [2023-02-16 04:33:18,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:33:18,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:33:18,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:33:18,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-02-16 04:33:18,557 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-16 04:33:18,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,558 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-16 04:33:18,561 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 [2023-02-16 04:33:18,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:18,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,567 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-16 04:33:18,568 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-16 04:33:18,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:18,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-02-16 04:33:18,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,572 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-16 04:33:18,582 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 [2023-02-16 04:33:18,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,589 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-16 04:33:18,592 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-16 04:33:18,593 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-16 04:33:18,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,617 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-02-16 04:33:18,621 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 [2023-02-16 04:33:18,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,627 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-16 04:33:18,629 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-16 04:33:18,629 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-16 04:33:18,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,678 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-02-16 04:33:18,682 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 [2023-02-16 04:33:18,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,689 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-16 04:33:18,692 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-16 04:33:18,692 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-16 04:33:18,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,713 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-16 04:33:18,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,714 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-02-16 04:33:18,718 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 [2023-02-16 04:33:18,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:18,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,724 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:18,724 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-16 04:33:18,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:18,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,750 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-02-16 04:33:18,754 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 [2023-02-16 04:33:18,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,760 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:18,763 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:33:18,763 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-16 04:33:18,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,786 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-02-16 04:33:18,789 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 [2023-02-16 04:33:18,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,795 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:18,797 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:33:18,797 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-16 04:33:18,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,820 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2023-02-16 04:33:18,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-02-16 04:33:18,823 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 [2023-02-16 04:33:18,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,830 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:18,832 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:33:18,832 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-16 04:33:18,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,851 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-16 04:33:18,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,853 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-02-16 04:33:18,856 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 [2023-02-16 04:33:18,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:18,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,863 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-16 04:33:18,864 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-16 04:33:18,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:18,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,886 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-02-16 04:33:18,889 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 [2023-02-16 04:33:18,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,895 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-16 04:33:18,899 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-16 04:33:18,899 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-16 04:33:18,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,922 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-02-16 04:33:18,926 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 [2023-02-16 04:33:18,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,932 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-16 04:33:18,935 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-16 04:33:18,935 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-16 04:33:18,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:18,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,966 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-02-16 04:33:18,969 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 [2023-02-16 04:33:18,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:33:18,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:18,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:18,975 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-16 04:33:18,978 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-16 04:33:18,978 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-16 04:33:18,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:18,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-02-16 04:33:18,996 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-16 04:33:18,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:18,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:18,997 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:18,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-02-16 04:33:19,000 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 [2023-02-16 04:33:19,005 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,006 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-16 04:33:19,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:19,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,006 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-16 04:33:19,006 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-16 04:33:19,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:19,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-02-16 04:33:19,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,019 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-02-16 04:33:19,023 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 [2023-02-16 04:33:19,028 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,029 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-16 04:33:19,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,029 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-16 04:33:19,044 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-16 04:33:19,044 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-16 04:33:19,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,063 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-02-16 04:33:19,066 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 [2023-02-16 04:33:19,072 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,072 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-16 04:33:19,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,073 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-16 04:33:19,075 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-16 04:33:19,075 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-16 04:33:19,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,101 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 [2023-02-16 04:33:19,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,102 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-02-16 04:33:19,110 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 [2023-02-16 04:33:19,117 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,117 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-16 04:33:19,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,117 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-16 04:33:19,119 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-16 04:33:19,119 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-16 04:33:19,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-02-16 04:33:19,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,181 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-16 04:33:19,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,182 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-02-16 04:33:19,186 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 [2023-02-16 04:33:19,192 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,192 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-16 04:33:19,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:19,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,192 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:19,195 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-16 04:33:19,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:19,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-02-16 04:33:19,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,201 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-02-16 04:33:19,204 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 [2023-02-16 04:33:19,211 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,211 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-16 04:33:19,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,211 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:19,214 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:33:19,214 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-16 04:33:19,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,242 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-02-16 04:33:19,246 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 [2023-02-16 04:33:19,252 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,252 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-16 04:33:19,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,252 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:19,254 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:33:19,254 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-16 04:33:19,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,275 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-02-16 04:33:19,279 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 [2023-02-16 04:33:19,285 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,286 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-16 04:33:19,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,286 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:19,288 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:33:19,288 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-16 04:33:19,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,312 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-16 04:33:19,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,313 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-02-16 04:33:19,316 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 [2023-02-16 04:33:19,322 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,322 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-16 04:33:19,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:19,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,323 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-16 04:33:19,324 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-16 04:33:19,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:19,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-02-16 04:33:19,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,344 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-02-16 04:33:19,350 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 [2023-02-16 04:33:19,356 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,356 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-16 04:33:19,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,356 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-16 04:33:19,361 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-16 04:33:19,361 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-16 04:33:19,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,384 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-02-16 04:33:19,387 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 [2023-02-16 04:33:19,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,393 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-16 04:33:19,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,393 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-16 04:33:19,396 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-16 04:33:19,396 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-16 04:33:19,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,413 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-02-16 04:33:19,416 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 [2023-02-16 04:33:19,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,423 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-16 04:33:19,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,423 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-16 04:33:19,425 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-02-16 04:33:19,425 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-02-16 04:33:19,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,445 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-16 04:33:19,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,447 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-02-16 04:33:19,450 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 [2023-02-16 04:33:19,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,456 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-16 04:33:19,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:19,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,456 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:19,457 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-16 04:33:19,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:19,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,476 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-02-16 04:33:19,479 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 [2023-02-16 04:33:19,485 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,485 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-16 04:33:19,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,485 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:19,488 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:33:19,488 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-16 04:33:19,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,508 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-02-16 04:33:19,511 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 [2023-02-16 04:33:19,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,517 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-16 04:33:19,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,517 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:19,519 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:33:19,519 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-16 04:33:19,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,539 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-02-16 04:33:19,542 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 [2023-02-16 04:33:19,550 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,550 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-16 04:33:19,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,551 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-16 04:33:19,552 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:33:19,552 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-16 04:33:19,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-02-16 04:33:19,558 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-16 04:33:19,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,559 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-02-16 04:33:19,562 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 [2023-02-16 04:33:19,568 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,568 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-16 04:33:19,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:33:19,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,569 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-16 04:33:19,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:33:19,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:33:19,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,583 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-02-16 04:33:19,587 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 [2023-02-16 04:33:19,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,593 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-16 04:33:19,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,593 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-16 04:33:19,596 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-02-16 04:33:19,596 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-02-16 04:33:19,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-02-16 04:33:19,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,630 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-02-16 04:33:19,633 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 [2023-02-16 04:33:19,639 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,639 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-16 04:33:19,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,640 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-16 04:33:19,641 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-02-16 04:33:19,641 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-02-16 04:33:19,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-02-16 04:33:19,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:33:19,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:33:19,661 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:33:19,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-02-16 04:33:19,665 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 [2023-02-16 04:33:19,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-16 04:33:19,671 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-16 04:33:19,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:33:19,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:33:19,671 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-16 04:33:19,674 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-02-16 04:33:19,674 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-02-16 04:33:19,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:33:19,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-02-16 04:33:19,682 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2023-02-16 04:33:19,682 INFO L748 eck$LassoCheckResult]: Stem: 301#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 302#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 303#L10-2 assume !!(main_~i~0#1 < 100); 300#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 297#L10-2 assume !!(main_~i~0#1 < 100); 298#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 299#L10-2 assume !!(main_~i~0#1 < 100); 300#L10 [2023-02-16 04:33:19,682 INFO L750 eck$LassoCheckResult]: Loop: 300#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 297#L10-2 assume !!(main_~i~0#1 < 100); 298#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 299#L10-2 assume !!(main_~i~0#1 < 100); 300#L10 [2023-02-16 04:33:19,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:19,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 3 times [2023-02-16 04:33:19,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:19,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7428377] [2023-02-16 04:33:19,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:19,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:19,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:19,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:19,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:19,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 2 times [2023-02-16 04:33:19,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:19,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778341857] [2023-02-16 04:33:19,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:19,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:19,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:19,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:19,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:33:19,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1599693208, now seen corresponding path program 4 times [2023-02-16 04:33:19,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:33:19,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018371580] [2023-02-16 04:33:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:33:19,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:33:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:19,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:19,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:33:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:19,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:33:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:33:19,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.02 04:33:19 BoogieIcfgContainer [2023-02-16 04:33:19,743 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-16 04:33:19,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:33:19,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:33:19,743 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:33:19,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:33:16" (3/4) ... [2023-02-16 04:33:19,745 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-02-16 04:33:19,763 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-16 04:33:19,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:33:19,764 INFO L158 Benchmark]: Toolchain (without parser) took 3529.53ms. Allocated memory is still 188.7MB. Free memory was 152.8MB in the beginning and 92.6MB in the end (delta: 60.3MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2023-02-16 04:33:19,764 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory was 78.7MB in the beginning and 78.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:33:19,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.56ms. Allocated memory is still 188.7MB. Free memory was 152.8MB in the beginning and 143.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:33:19,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.19ms. Allocated memory is still 188.7MB. Free memory was 143.7MB in the beginning and 142.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:33:19,764 INFO L158 Benchmark]: Boogie Preprocessor took 13.40ms. Allocated memory is still 188.7MB. Free memory was 142.4MB in the beginning and 141.6MB in the end (delta: 799.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:33:19,764 INFO L158 Benchmark]: RCFGBuilder took 169.96ms. Allocated memory is still 188.7MB. Free memory was 141.6MB in the beginning and 133.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:33:19,765 INFO L158 Benchmark]: BuchiAutomizer took 3143.49ms. Allocated memory is still 188.7MB. Free memory was 133.2MB in the beginning and 94.6MB in the end (delta: 38.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-02-16 04:33:19,765 INFO L158 Benchmark]: Witness Printer took 20.33ms. Allocated memory is still 188.7MB. Free memory was 94.6MB in the beginning and 92.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:33:19,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory was 78.7MB in the beginning and 78.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.56ms. Allocated memory is still 188.7MB. Free memory was 152.8MB in the beginning and 143.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.19ms. Allocated memory is still 188.7MB. Free memory was 143.7MB in the beginning and 142.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.40ms. Allocated memory is still 188.7MB. Free memory was 142.4MB in the beginning and 141.6MB in the end (delta: 799.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 169.96ms. Allocated memory is still 188.7MB. Free memory was 141.6MB in the beginning and 133.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3143.49ms. Allocated memory is still 188.7MB. Free memory was 133.2MB in the beginning and 94.6MB in the end (delta: 38.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 20.33ms. Allocated memory is still 188.7MB. Free memory was 94.6MB in the beginning and 92.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 29 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax200 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq133 hnf93 smp100 dnf100 smp100 tf113 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] [L9] COND TRUE i < 100 VAL [i=49] Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] [L9] COND TRUE i < 100 VAL [i=49] Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-02-16 04:33:19,779 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)