./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Collatz_bounded.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 fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:23:17,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:23:17,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:23:17,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:23:17,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:23:17,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:23:17,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:23:17,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:23:17,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:23:17,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:23:17,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:23:17,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:23:17,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:23:17,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:23:17,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:23:17,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:23:17,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:23:17,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:23:17,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:23:17,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:23:17,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:23:17,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:23:17,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:23:17,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:23:17,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:23:17,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:23:17,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:23:17,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:23:17,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:23:17,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:23:17,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:23:17,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:23:17,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:23:17,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:23:17,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:23:17,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:23:17,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:23:17,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:23:17,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:23:17,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:23:17,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:23:17,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:23:17,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:23:17,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:23:17,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:23:17,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:23:17,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:23:17,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:23:17,646 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:23:17,647 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:23:17,647 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:23:17,647 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:23:17,647 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:23:17,647 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:23:17,647 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:23:17,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:23:17,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:23:17,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:23:17,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:23:17,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:23:17,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:23:17,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:23:17,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:23:17,649 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:23:17,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:23:17,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:23:17,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:23:17,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:23:17,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:23:17,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:23:17,650 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:23:17,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2022-02-21 03:23:17,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:23:17,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:23:17,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:23:17,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:23:17,850 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:23:17,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-02-21 03:23:17,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e529be6b3/3accc71277194668aaa5e627bb5461e2/FLAGab466fbd0 [2022-02-21 03:23:18,300 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:23:18,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-02-21 03:23:18,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e529be6b3/3accc71277194668aaa5e627bb5461e2/FLAGab466fbd0 [2022-02-21 03:23:18,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e529be6b3/3accc71277194668aaa5e627bb5461e2 [2022-02-21 03:23:18,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:23:18,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:23:18,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:23:18,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:23:18,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:23:18,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5755ec0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18, skipping insertion in model container [2022-02-21 03:23:18,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:23:18,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:23:18,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:23:18,561 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:23:18,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:23:18,604 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:23:18,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18 WrapperNode [2022-02-21 03:23:18,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:23:18,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:23:18,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:23:18,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:23:18,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,646 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-02-21 03:23:18,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:23:18,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:23:18,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:23:18,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:23:18,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:23:18,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:23:18,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:23:18,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:23:18,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (1/1) ... [2022-02-21 03:23:18,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:18,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:18,728 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) [2022-02-21 03:23:18,741 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 [2022-02-21 03:23:18,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:23:18,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:23:18,793 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:23:18,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:23:18,861 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:23:18,866 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:23:18,866 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:23:18,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:23:18 BoogieIcfgContainer [2022-02-21 03:23:18,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:23:18,868 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:23:18,868 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:23:18,870 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:23:18,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:23:18,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:23:18" (1/3) ... [2022-02-21 03:23:18,871 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63e175b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:23:18, skipping insertion in model container [2022-02-21 03:23:18,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:23:18,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:18" (2/3) ... [2022-02-21 03:23:18,872 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63e175b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:23:18, skipping insertion in model container [2022-02-21 03:23:18,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:23:18,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:23:18" (3/3) ... [2022-02-21 03:23:18,873 INFO L388 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2022-02-21 03:23:18,914 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:23:18,914 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:23:18,914 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:23:18,914 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:23:18,915 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:23:18,915 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:23:18,915 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:23:18,915 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:23:18,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:18,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:18,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:18,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:18,948 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:23:18,948 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:23:18,948 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:23:18,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:18,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:18,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:18,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:18,951 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:23:18,951 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:23:18,955 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue 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_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 9#L14true assume !(main_~y~0#1 >= 113383); 7#L16-2true [2022-02-21 03:23:18,956 INFO L793 eck$LassoCheckResult]: Loop: 7#L16-2true assume !!(main_~y~0#1 > 1); 3#L16true assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 7#L16-2true [2022-02-21 03:23:18,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:18,962 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-02-21 03:23:18,967 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:18,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681705150] [2022-02-21 03:23:18,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:18,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:19,021 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:19,040 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:19,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:19,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2022-02-21 03:23:19,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:19,042 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027106337] [2022-02-21 03:23:19,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:19,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:19,070 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:19,089 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:19,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:19,090 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2022-02-21 03:23:19,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:19,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841690742] [2022-02-21 03:23:19,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:19,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:19,102 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:19,118 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:19,240 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:19,241 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:19,241 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:19,241 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:19,241 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:23:19,241 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:19,241 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:19,241 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:19,242 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-02-21 03:23:19,242 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:19,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:19,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:19,358 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:19,359 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:23:19,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:19,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:19,362 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) [2022-02-21 03:23:19,381 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 [2022-02-21 03:23:19,382 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:23:19,382 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:19,413 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 [2022-02-21 03:23:19,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:19,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:19,414 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) [2022-02-21 03:23:19,415 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 [2022-02-21 03:23:19,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:23:19,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:19,466 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:23:19,470 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 [2022-02-21 03:23:19,471 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:19,471 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:19,471 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:19,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:19,471 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:23:19,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:19,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:19,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:19,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-02-21 03:23:19,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:19,472 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:19,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:19,568 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:19,579 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:23:19,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:19,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:19,595 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) [2022-02-21 03:23:19,599 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 [2022-02-21 03:23:19,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:19,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:19,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:19,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:19,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:19,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:23:19,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:19,612 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 [2022-02-21 03:23:19,623 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:23:19,641 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-02-21 03:23:19,641 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-02-21 03:23:19,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:19,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:19,663 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) [2022-02-21 03:23:19,681 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 [2022-02-21 03:23:19,682 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:23:19,682 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 03:23:19,683 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:23:19,683 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-02-21 03:23:19,702 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 [2022-02-21 03:23:19,723 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-02-21 03:23:19,727 INFO L390 LassoCheck]: Loop: "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" [2022-02-21 03:23:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:19,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:19,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:23:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:19,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:19,803 INFO L290 TraceCheckUtils]: 0: Hoare triple {19#unseeded} assume { :begin_inline_ULTIMATE.init } true; {19#unseeded} is VALID [2022-02-21 03:23:19,803 INFO L290 TraceCheckUtils]: 1: Hoare triple {19#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; {19#unseeded} is VALID [2022-02-21 03:23:19,804 INFO L290 TraceCheckUtils]: 2: Hoare triple {19#unseeded} assume !(main_~y~0#1 >= 113383); {19#unseeded} is VALID [2022-02-21 03:23:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:19,809 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:23:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:19,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:19,849 INFO L290 TraceCheckUtils]: 0: Hoare triple {22#(>= oldRank0 |ULTIMATE.start_main_~y~0#1|)} assume !!(main_~y~0#1 > 1); {43#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} is VALID [2022-02-21 03:23:19,850 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); {32#(or (and (>= oldRank0 0) (> oldRank0 |ULTIMATE.start_main_~y~0#1|)) unseeded)} is VALID [2022-02-21 03:23:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:23:19,872 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-02-21 03:23:19,879 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:23:19,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:23:19,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,886 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-02-21 03:23:19,887 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-02-21 03:23:19,938 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 8 states. [2022-02-21 03:23:19,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-02-21 03:23:19,938 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:19,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:19,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:19,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:19,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:19,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-02-21 03:23:19,942 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:23:19,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:19,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:19,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2022-02-21 03:23:19,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:19,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:19,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:19,945 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:19,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:19,946 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:19,946 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-02-21 03:23:19,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:23:19,947 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:19,947 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 28 states and 35 transitions. cyclomatic complexity: 9 [2022-02-21 03:23:19,948 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:19,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:23:19,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:23:19,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:23:19,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:19,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:19,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:19,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:19,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:19,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:19,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 28 letters. Loop has 28 letters. [2022-02-21 03:23:19,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 28 letters. Loop has 28 letters. [2022-02-21 03:23:19,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 28 letters. Loop has 28 letters. [2022-02-21 03:23:19,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 9 letters. Loop has 9 letters. [2022-02-21 03:23:19,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 9 letters. Loop has 9 letters. [2022-02-21 03:23:19,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 9 letters. Loop has 9 letters. [2022-02-21 03:23:19,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:23:19,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:23:19,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:23:19,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:23:19,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:23:19,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:23:19,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:23:19,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:23:19,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:23:19,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:23:19,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:23:19,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:23:19,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:19,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:19,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:19,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:19,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:19,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:19,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:23:19,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:23:19,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 35 transitions. cyclomatic complexity: 9 Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:23:19,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,960 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-02-21 03:23:19,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-02-21 03:23:19,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:23:19,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:19,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 4 letters. [2022-02-21 03:23:19,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:19,966 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. cyclomatic complexity: 9 [2022-02-21 03:23:19,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:19,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 12 transitions. [2022-02-21 03:23:19,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-02-21 03:23:19,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-02-21 03:23:19,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2022-02-21 03:23:19,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-02-21 03:23:19,972 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-02-21 03:23:19,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2022-02-21 03:23:19,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-02-21 03:23:19,987 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:23:19,987 INFO L82 GeneralOperation]: Start isEquivalent. First operand 9 states and 12 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:19,988 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states and 12 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:19,989 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:19,991 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:23:19,993 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2022-02-21 03:23:19,993 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-02-21 03:23:19,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:23:19,993 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:23:19,994 INFO L74 IsIncluded]: Start isIncluded. First operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 9 states and 12 transitions. [2022-02-21 03:23:19,994 INFO L87 Difference]: Start difference. First operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 9 states and 12 transitions. [2022-02-21 03:23:19,994 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:23:19,995 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2022-02-21 03:23:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-02-21 03:23:19,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:23:19,995 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:23:19,995 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:23:19,996 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:23:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2022-02-21 03:23:19,997 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-02-21 03:23:19,997 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-02-21 03:23:19,997 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:23:19,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2022-02-21 03:23:19,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:19,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:19,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:19,999 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-02-21 03:23:19,999 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:23:19,999 INFO L791 eck$LassoCheckResult]: Stem: 90#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 91#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 93#L14 assume !(main_~y~0#1 >= 113383); 94#L16-2 assume !!(main_~y~0#1 > 1); 86#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 87#L16-2 [2022-02-21 03:23:19,999 INFO L793 eck$LassoCheckResult]: Loop: 87#L16-2 assume !!(main_~y~0#1 > 1); 92#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 87#L16-2 [2022-02-21 03:23:20,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:20,000 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2022-02-21 03:23:20,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:20,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671717824] [2022-02-21 03:23:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:20,013 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:20,029 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:20,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:20,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2022-02-21 03:23:20,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:20,031 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195212508] [2022-02-21 03:23:20,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:20,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:20,042 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:20,048 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:20,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:20,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2022-02-21 03:23:20,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:20,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359460581] [2022-02-21 03:23:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:20,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:20,069 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:20,076 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:20,096 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:20,097 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:20,097 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:20,097 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:20,097 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:23:20,097 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:20,097 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:20,097 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-02-21 03:23:20,097 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:20,098 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:20,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:20,164 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:20,164 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:23:20,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:20,176 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) [2022-02-21 03:23:20,177 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 [2022-02-21 03:23:20,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:23:20,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:20,215 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 [2022-02-21 03:23:20,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:20,217 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) [2022-02-21 03:23:20,218 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 [2022-02-21 03:23:20,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:23:20,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:20,259 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:23:20,264 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 [2022-02-21 03:23:20,264 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:20,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:20,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:20,264 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:20,264 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:23:20,264 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:20,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:20,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-02-21 03:23:20,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:20,265 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:20,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:20,353 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:20,353 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:23:20,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:20,372 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) [2022-02-21 03:23:20,373 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 [2022-02-21 03:23:20,375 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 [2022-02-21 03:23:20,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:20,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:20,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:20,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:20,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:20,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:23:20,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:20,400 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:23:20,403 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-02-21 03:23:20,403 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-02-21 03:23:20,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:20,412 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) [2022-02-21 03:23:20,413 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 [2022-02-21 03:23:20,417 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:23:20,417 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 03:23:20,417 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:23:20,417 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-02-21 03:23:20,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-02-21 03:23:20,441 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-02-21 03:23:20,444 INFO L390 LassoCheck]: Loop: "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" [2022-02-21 03:23:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:20,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:20,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:23:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:20,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:20,481 INFO L290 TraceCheckUtils]: 0: Hoare triple {150#unseeded} assume { :begin_inline_ULTIMATE.init } true; {150#unseeded} is VALID [2022-02-21 03:23:20,481 INFO L290 TraceCheckUtils]: 1: Hoare triple {150#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; {150#unseeded} is VALID [2022-02-21 03:23:20,482 INFO L290 TraceCheckUtils]: 2: Hoare triple {150#unseeded} assume !(main_~y~0#1 >= 113383); {150#unseeded} is VALID [2022-02-21 03:23:20,482 INFO L290 TraceCheckUtils]: 3: Hoare triple {150#unseeded} assume !!(main_~y~0#1 > 1); {150#unseeded} is VALID [2022-02-21 03:23:20,482 INFO L290 TraceCheckUtils]: 4: Hoare triple {150#unseeded} assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; {150#unseeded} is VALID [2022-02-21 03:23:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:20,510 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:23:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:20,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:20,539 INFO L290 TraceCheckUtils]: 0: Hoare triple {153#(>= oldRank0 |ULTIMATE.start_main_~y~0#1|)} assume !!(main_~y~0#1 > 1); {180#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} is VALID [2022-02-21 03:23:20,540 INFO L290 TraceCheckUtils]: 1: Hoare triple {180#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); {163#(or (and (>= oldRank0 0) (> oldRank0 |ULTIMATE.start_main_~y~0#1|)) unseeded)} is VALID [2022-02-21 03:23:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:23:20,542 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 03:23:20,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:20,559 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:23:20,560 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:20,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,560 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-02-21 03:23:20,562 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 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) [2022-02-21 03:23:20,591 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 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 13 states and 18 transitions. Complement of second has 5 states. [2022-02-21 03:23:20,592 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 [2022-02-21 03:23:20,592 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:20,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. cyclomatic complexity: 5 [2022-02-21 03:23:20,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:20,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:20,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. 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) [2022-02-21 03:23:20,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:20,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:20,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:20,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-02-21 03:23:20,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:20,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:20,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:20,595 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 9 states and 12 transitions. cyclomatic complexity: 5 [2022-02-21 03:23:20,595 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:20,595 INFO L70 LassoExtractor]: Start lassoExtractor. 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) [2022-02-21 03:23:20,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:20,596 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:23:20,596 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 13 states and 18 transitions. cyclomatic complexity: 8 [2022-02-21 03:23:20,596 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:20,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:20,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,597 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:20,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:20,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:20,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,597 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:20,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:20,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,600 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 [2022-02-21 03:23:20,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:20,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,610 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:20,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:20,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:20,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,611 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:20,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:20,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 9 letters. Loop has 9 letters. [2022-02-21 03:23:20,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,612 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 9 letters. Loop has 9 letters. [2022-02-21 03:23:20,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 9 letters. Loop has 9 letters. [2022-02-21 03:23:20,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:20,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,612 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:20,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:20,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:20,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,613 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:20,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:20,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:23:20,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,614 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:23:20,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:23:20,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:20,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,615 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:20,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:20,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:20,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,616 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:20,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:20,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. cyclomatic complexity: 5 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:20,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,617 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:20,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:20,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,617 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:20,618 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) [2022-02-21 03:23:20,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-02-21 03:23:20,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:23:20,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:20,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:23:20,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:20,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. cyclomatic complexity: 8 [2022-02-21 03:23:20,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:20,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2022-02-21 03:23:20,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-02-21 03:23:20,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-02-21 03:23:20,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-02-21 03:23:20,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-02-21 03:23:20,621 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-02-21 03:23:20,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-02-21 03:23:20,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-02-21 03:23:20,622 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:23:20,622 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states and 18 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:20,622 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states and 18 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:20,623 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:20,623 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:23:20,624 INFO L93 Difference]: Finished difference Result 13 states and 18 transitions. [2022-02-21 03:23:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-02-21 03:23:20,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:23:20,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:23:20,624 INFO L74 IsIncluded]: Start isIncluded. First operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 13 states and 18 transitions. [2022-02-21 03:23:20,624 INFO L87 Difference]: Start difference. First operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 13 states and 18 transitions. [2022-02-21 03:23:20,625 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:23:20,625 INFO L93 Difference]: Finished difference Result 13 states and 18 transitions. [2022-02-21 03:23:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-02-21 03:23:20,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:23:20,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:23:20,626 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:23:20,626 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:23:20,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:23:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-02-21 03:23:20,627 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-02-21 03:23:20,627 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-02-21 03:23:20,627 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 03:23:20,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-02-21 03:23:20,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:20,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:20,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:20,628 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2022-02-21 03:23:20,628 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:23:20,628 INFO L791 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 209#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 212#L14 assume !(main_~y~0#1 >= 113383); 213#L16-2 assume !!(main_~y~0#1 > 1); 204#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 205#L16-2 assume !!(main_~y~0#1 > 1); 214#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 210#L16-2 [2022-02-21 03:23:20,629 INFO L793 eck$LassoCheckResult]: Loop: 210#L16-2 assume !!(main_~y~0#1 > 1); 211#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 210#L16-2 [2022-02-21 03:23:20,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:20,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2022-02-21 03:23:20,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:20,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263807060] [2022-02-21 03:23:20,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:20,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:20,696 INFO L290 TraceCheckUtils]: 0: Hoare triple {280#true} assume { :begin_inline_ULTIMATE.init } true; {280#true} is VALID [2022-02-21 03:23:20,697 INFO L290 TraceCheckUtils]: 1: Hoare triple {280#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; {280#true} is VALID [2022-02-21 03:23:20,697 INFO L290 TraceCheckUtils]: 2: Hoare triple {280#true} assume !(main_~y~0#1 >= 113383); {280#true} is VALID [2022-02-21 03:23:20,697 INFO L290 TraceCheckUtils]: 3: Hoare triple {280#true} assume !!(main_~y~0#1 > 1); {280#true} is VALID [2022-02-21 03:23:20,698 INFO L290 TraceCheckUtils]: 4: Hoare triple {280#true} assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; {282#(<= |ULTIMATE.start_main_~y~0#1| (* 2 (div |ULTIMATE.start_main_~y~0#1| 2)))} is VALID [2022-02-21 03:23:20,699 INFO L290 TraceCheckUtils]: 5: Hoare triple {282#(<= |ULTIMATE.start_main_~y~0#1| (* 2 (div |ULTIMATE.start_main_~y~0#1| 2)))} assume !!(main_~y~0#1 > 1); {283#(and (<= 2 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| (* 2 (div |ULTIMATE.start_main_~y~0#1| 2))))} is VALID [2022-02-21 03:23:20,699 INFO L290 TraceCheckUtils]: 6: Hoare triple {283#(and (<= 2 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| (* 2 (div |ULTIMATE.start_main_~y~0#1| 2))))} assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; {281#false} is VALID [2022-02-21 03:23:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:23:20,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 03:23:20,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263807060] [2022-02-21 03:23:20,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263807060] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 03:23:20,701 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 03:23:20,701 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 03:23:20,701 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910135582] [2022-02-21 03:23:20,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 03:23:20,703 INFO L796 eck$LassoCheckResult]: stem already infeasible [2022-02-21 03:23:20,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:20,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2022-02-21 03:23:20,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:20,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175613182] [2022-02-21 03:23:20,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:20,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:20,710 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:20,713 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:20,743 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:20,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:20,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:20,743 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:20,744 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:23:20,744 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,744 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:20,744 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:20,744 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-02-21 03:23:20,744 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:20,744 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:20,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:20,800 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:20,800 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:23:20,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:20,814 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) [2022-02-21 03:23:20,815 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 [2022-02-21 03:23:20,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:23:20,816 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:20,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-02-21 03:23:20,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:20,864 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) [2022-02-21 03:23:20,865 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 [2022-02-21 03:23:20,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:23:20,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:20,915 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:23:20,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:20,920 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:20,920 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:20,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:20,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:20,920 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:23:20,920 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,920 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:20,920 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:20,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-02-21 03:23:20,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:20,921 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:20,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:20,986 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:20,987 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:23:20,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:20,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:20,988 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) [2022-02-21 03:23:20,989 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 [2022-02-21 03:23:20,991 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 [2022-02-21 03:23:20,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:20,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:20,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:20,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:20,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:20,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:23:20,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:21,014 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:23:21,016 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-02-21 03:23:21,016 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-02-21 03:23:21,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:21,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:21,018 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) [2022-02-21 03:23:21,019 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 [2022-02-21 03:23:21,021 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:23:21,021 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 03:23:21,021 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:23:21,021 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-02-21 03:23:21,039 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 [2022-02-21 03:23:21,043 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-02-21 03:23:21,046 INFO L390 LassoCheck]: Loop: "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" [2022-02-21 03:23:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:23:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:21,078 INFO L290 TraceCheckUtils]: 0: Hoare triple {286#unseeded} assume { :begin_inline_ULTIMATE.init } true; {286#unseeded} is VALID [2022-02-21 03:23:21,079 INFO L290 TraceCheckUtils]: 1: Hoare triple {286#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; {286#unseeded} is VALID [2022-02-21 03:23:21,079 INFO L290 TraceCheckUtils]: 2: Hoare triple {286#unseeded} assume !(main_~y~0#1 >= 113383); {286#unseeded} is VALID [2022-02-21 03:23:21,079 INFO L290 TraceCheckUtils]: 3: Hoare triple {286#unseeded} assume !!(main_~y~0#1 > 1); {286#unseeded} is VALID [2022-02-21 03:23:21,080 INFO L290 TraceCheckUtils]: 4: Hoare triple {286#unseeded} assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; {286#unseeded} is VALID [2022-02-21 03:23:21,080 INFO L290 TraceCheckUtils]: 5: Hoare triple {286#unseeded} assume !!(main_~y~0#1 > 1); {286#unseeded} is VALID [2022-02-21 03:23:21,080 INFO L290 TraceCheckUtils]: 6: Hoare triple {286#unseeded} assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; {286#unseeded} is VALID [2022-02-21 03:23:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,084 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:23:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:21,102 INFO L290 TraceCheckUtils]: 0: Hoare triple {289#(>= oldRank0 |ULTIMATE.start_main_~y~0#1|)} assume !!(main_~y~0#1 > 1); {322#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} is VALID [2022-02-21 03:23:21,103 INFO L290 TraceCheckUtils]: 1: Hoare triple {322#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); {299#(or (and (>= oldRank0 0) (> oldRank0 |ULTIMATE.start_main_~y~0#1|)) unseeded)} is VALID [2022-02-21 03:23:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:23:21,104 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,108 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:23:21,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,108 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-02-21 03:23:21,109 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,126 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 15 states and 22 transitions. Complement of second has 5 states. [2022-02-21 03:23:21,126 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 [2022-02-21 03:23:21,126 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:21,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. cyclomatic complexity: 8 [2022-02-21 03:23:21,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:21,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2022-02-21 03:23:21,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:21,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,128 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 13 states and 18 transitions. cyclomatic complexity: 8 [2022-02-21 03:23:21,129 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:21,129 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:21,129 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:23:21,129 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states and 22 transitions. cyclomatic complexity: 10 [2022-02-21 03:23:21,130 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:21,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:23:21,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:23:21,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:23:21,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:21,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:21,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:21,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:21,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:21,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:21,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,137 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-02-21 03:23:21,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,139 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-02-21 03:23:21,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:23:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:21,164 INFO L290 TraceCheckUtils]: 0: Hoare triple {286#unseeded} assume { :begin_inline_ULTIMATE.init } true; {286#unseeded} is VALID [2022-02-21 03:23:21,165 INFO L290 TraceCheckUtils]: 1: Hoare triple {286#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; {286#unseeded} is VALID [2022-02-21 03:23:21,165 INFO L290 TraceCheckUtils]: 2: Hoare triple {286#unseeded} assume !(main_~y~0#1 >= 113383); {286#unseeded} is VALID [2022-02-21 03:23:21,166 INFO L290 TraceCheckUtils]: 3: Hoare triple {286#unseeded} assume !!(main_~y~0#1 > 1); {286#unseeded} is VALID [2022-02-21 03:23:21,166 INFO L290 TraceCheckUtils]: 4: Hoare triple {286#unseeded} assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; {286#unseeded} is VALID [2022-02-21 03:23:21,166 INFO L290 TraceCheckUtils]: 5: Hoare triple {286#unseeded} assume !!(main_~y~0#1 > 1); {286#unseeded} is VALID [2022-02-21 03:23:21,167 INFO L290 TraceCheckUtils]: 6: Hoare triple {286#unseeded} assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; {286#unseeded} is VALID [2022-02-21 03:23:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,170 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:23:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:21,187 INFO L290 TraceCheckUtils]: 0: Hoare triple {289#(>= oldRank0 |ULTIMATE.start_main_~y~0#1|)} assume !!(main_~y~0#1 > 1); {370#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} is VALID [2022-02-21 03:23:21,188 INFO L290 TraceCheckUtils]: 1: Hoare triple {370#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); {299#(or (and (>= oldRank0 0) (> oldRank0 |ULTIMATE.start_main_~y~0#1|)) unseeded)} is VALID [2022-02-21 03:23:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:23:21,188 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,192 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:23:21,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,193 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-02-21 03:23:21,193 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 15 states and 22 transitions. Complement of second has 5 states. [2022-02-21 03:23:21,206 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 [2022-02-21 03:23:21,206 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:21,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. cyclomatic complexity: 8 [2022-02-21 03:23:21,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:21,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2022-02-21 03:23:21,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:21,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,209 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 13 states and 18 transitions. cyclomatic complexity: 8 [2022-02-21 03:23:21,209 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:21,209 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:21,209 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:23:21,209 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states and 22 transitions. cyclomatic complexity: 10 [2022-02-21 03:23:21,210 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:21,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:23:21,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:23:21,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:23:21,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:21,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:21,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:21,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:21,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:21,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:21,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 22 transitions. cyclomatic complexity: 10 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,217 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-02-21 03:23:21,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,218 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-02-21 03:23:21,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:23:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:21,242 INFO L290 TraceCheckUtils]: 0: Hoare triple {286#unseeded} assume { :begin_inline_ULTIMATE.init } true; {286#unseeded} is VALID [2022-02-21 03:23:21,243 INFO L290 TraceCheckUtils]: 1: Hoare triple {286#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; {286#unseeded} is VALID [2022-02-21 03:23:21,243 INFO L290 TraceCheckUtils]: 2: Hoare triple {286#unseeded} assume !(main_~y~0#1 >= 113383); {286#unseeded} is VALID [2022-02-21 03:23:21,243 INFO L290 TraceCheckUtils]: 3: Hoare triple {286#unseeded} assume !!(main_~y~0#1 > 1); {286#unseeded} is VALID [2022-02-21 03:23:21,244 INFO L290 TraceCheckUtils]: 4: Hoare triple {286#unseeded} assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; {286#unseeded} is VALID [2022-02-21 03:23:21,244 INFO L290 TraceCheckUtils]: 5: Hoare triple {286#unseeded} assume !!(main_~y~0#1 > 1); {286#unseeded} is VALID [2022-02-21 03:23:21,244 INFO L290 TraceCheckUtils]: 6: Hoare triple {286#unseeded} assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; {286#unseeded} is VALID [2022-02-21 03:23:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,248 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:23:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:23:21,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:23:21,264 INFO L290 TraceCheckUtils]: 0: Hoare triple {289#(>= oldRank0 |ULTIMATE.start_main_~y~0#1|)} assume !!(main_~y~0#1 > 1); {418#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} is VALID [2022-02-21 03:23:21,265 INFO L290 TraceCheckUtils]: 1: Hoare triple {418#(and (>= oldRank0 |ULTIMATE.start_main_~y~0#1|) (< 1 |ULTIMATE.start_main_~y~0#1|))} assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); {299#(or (and (>= oldRank0 0) (> oldRank0 |ULTIMATE.start_main_~y~0#1|)) unseeded)} is VALID [2022-02-21 03:23:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:23:21,265 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,269 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:23:21,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,270 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-02-21 03:23:21,270 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,285 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 17 states and 25 transitions. Complement of second has 4 states. [2022-02-21 03:23:21,285 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 [2022-02-21 03:23:21,285 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:21,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. cyclomatic complexity: 8 [2022-02-21 03:23:21,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:21,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. [2022-02-21 03:23:21,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:23:21,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,287 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 13 states and 18 transitions. cyclomatic complexity: 8 [2022-02-21 03:23:21,287 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:23:21,287 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:23:21,288 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:23:21,288 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 17 states and 25 transitions. cyclomatic complexity: 11 [2022-02-21 03:23:21,288 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:23:21,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 17 letters. Loop has 17 letters. [2022-02-21 03:23:21,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 17 letters. Loop has 17 letters. [2022-02-21 03:23:21,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 17 letters. Loop has 17 letters. [2022-02-21 03:23:21,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:21,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:21,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:23:21,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:21,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:21,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:23:21,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:23:21,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:23:21,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 18 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 25 transitions. cyclomatic complexity: 11 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,295 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:23:21,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-02-21 03:23:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2022-02-21 03:23:21,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:23:21,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2022-02-21 03:23:21,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2022-02-21 03:23:21,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:23:21,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. cyclomatic complexity: 11 [2022-02-21 03:23:21,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:23:21,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2022-02-21 03:23:21,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-02-21 03:23:21,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-02-21 03:23:21,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2022-02-21 03:23:21,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-02-21 03:23:21,298 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-02-21 03:23:21,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2022-02-21 03:23:21,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2022-02-21 03:23:21,299 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:23:21,299 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states and 21 transitions. Second 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) [2022-02-21 03:23:21,299 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states and 21 transitions. Second 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) [2022-02-21 03:23:21,299 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. Second 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) [2022-02-21 03:23:21,299 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:23:21,300 INFO L93 Difference]: Finished difference Result 15 states and 21 transitions. [2022-02-21 03:23:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2022-02-21 03:23:21,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:23:21,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:23:21,301 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 15 states and 21 transitions. [2022-02-21 03:23:21,301 INFO L87 Difference]: Start difference. First 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) Second operand 15 states and 21 transitions. [2022-02-21 03:23:21,301 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:23:21,302 INFO L93 Difference]: Finished difference Result 15 states and 21 transitions. [2022-02-21 03:23:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2022-02-21 03:23:21,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:23:21,302 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:23:21,302 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:23:21,302 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:23:21,302 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) [2022-02-21 03:23:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-02-21 03:23:21,303 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-02-21 03:23:21,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 03:23:21,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-21 03:23:21,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-21 03:23:21,306 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2022-02-21 03:23:21,342 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 [2022-02-21 03:23:21,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:23:21,355 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2022-02-21 03:23:21,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-21 03:23:21,355 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2022-02-21 03:23:21,381 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:23:21,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2022-02-21 03:23:21,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-02-21 03:23:21,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2022-02-21 03:23:21,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-02-21 03:23:21,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-02-21 03:23:21,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-02-21 03:23:21,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-02-21 03:23:21,382 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-02-21 03:23:21,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-02-21 03:23:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-02-21 03:23:21,383 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:23:21,383 INFO L82 GeneralOperation]: Start isEquivalent. First operand 9 states and 11 transitions. Second operand has 8 states, 8 states have (on average 1.25) 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) [2022-02-21 03:23:21,383 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states and 11 transitions. Second operand has 8 states, 8 states have (on average 1.25) 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) [2022-02-21 03:23:21,383 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 8 states, 8 states have (on average 1.25) 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) [2022-02-21 03:23:21,383 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:23:21,384 INFO L93 Difference]: Finished difference Result 9 states and 11 transitions. [2022-02-21 03:23:21,384 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-02-21 03:23:21,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:23:21,384 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:23:21,384 INFO L74 IsIncluded]: Start isIncluded. First operand has 8 states, 8 states have (on average 1.25) 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 9 states and 11 transitions. [2022-02-21 03:23:21,384 INFO L87 Difference]: Start difference. First operand has 8 states, 8 states have (on average 1.25) 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 9 states and 11 transitions. [2022-02-21 03:23:21,384 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:23:21,385 INFO L93 Difference]: Finished difference Result 9 states and 11 transitions. [2022-02-21 03:23:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-02-21 03:23:21,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:23:21,385 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:23:21,385 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:23:21,385 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:23:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) 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) [2022-02-21 03:23:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-02-21 03:23:21,385 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-02-21 03:23:21,385 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-02-21 03:23:21,385 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2022-02-21 03:23:21,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-02-21 03:23:21,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:23:21,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:23:21,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:23:21,386 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-02-21 03:23:21,386 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2022-02-21 03:23:21,386 INFO L791 eck$LassoCheckResult]: Stem: 528#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 529#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 530#L14 assume !(main_~y~0#1 >= 113383); 531#L16-2 assume !!(main_~y~0#1 > 1); 524#L16 [2022-02-21 03:23:21,386 INFO L793 eck$LassoCheckResult]: Loop: 524#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 525#L16-2 assume !!(main_~y~0#1 > 1); 526#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 527#L16-2 assume !!(main_~y~0#1 > 1); 524#L16 [2022-02-21 03:23:21,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:21,386 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-02-21 03:23:21,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:21,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233537874] [2022-02-21 03:23:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:21,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:21,401 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:21,403 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:21,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:21,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2022-02-21 03:23:21,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:21,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650146549] [2022-02-21 03:23:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:21,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:21,416 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:21,442 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:21,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:21,443 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2022-02-21 03:23:21,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:21,443 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650539150] [2022-02-21 03:23:21,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:21,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:21,461 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:21,467 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:21,588 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:21,588 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:21,588 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:21,588 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:21,588 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:23:21,588 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:21,588 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:21,588 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:21,588 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-02-21 03:23:21,588 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:21,588 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:21,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:21,748 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:21,748 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:23:21,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:21,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:21,750 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) [2022-02-21 03:23:21,752 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 [2022-02-21 03:23:21,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:23:21,755 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:21,791 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 [2022-02-21 03:23:21,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:21,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:21,792 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) [2022-02-21 03:23:21,793 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 [2022-02-21 03:23:21,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:23:21,795 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:21,887 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:23:21,890 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 [2022-02-21 03:23:21,891 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:21,891 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:21,891 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:21,891 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:21,891 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:23:21,891 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:21,891 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:21,891 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:21,891 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-02-21 03:23:21,891 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:21,891 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:21,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:21,976 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:21,976 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:23:21,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:21,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:21,978 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) [2022-02-21 03:23:21,979 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 [2022-02-21 03:23:21,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:23:21,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:21,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:21,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:21,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:21,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:21,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:23:21,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:22,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:22,033 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 [2022-02-21 03:23:22,033 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-02-21 03:23:22,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,035 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) [2022-02-21 03:23:22,049 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 [2022-02-21 03:23:22,051 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 [2022-02-21 03:23:22,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:22,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:22,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:22,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:22,057 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:22,059 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:22,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:22,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:22,092 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 [2022-02-21 03:23:22,093 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-02-21 03:23:22,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,094 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) [2022-02-21 03:23:22,094 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 [2022-02-21 03:23:22,095 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 [2022-02-21 03:23:22,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:22,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:22,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:22,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:22,102 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:22,104 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:22,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:22,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:22,125 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 [2022-02-21 03:23:22,126 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-02-21 03:23:22,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,127 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) [2022-02-21 03:23:22,133 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 [2022-02-21 03:23:22,134 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 [2022-02-21 03:23:22,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:22,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:22,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:22,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:22,140 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:22,149 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:22,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:22,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:22,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-02-21 03:23:22,201 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-02-21 03:23:22,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,202 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) [2022-02-21 03:23:22,204 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 [2022-02-21 03:23:22,205 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 [2022-02-21 03:23:22,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:22,210 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:22,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:22,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:22,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:22,210 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:22,214 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:22,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:22,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:22,245 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 [2022-02-21 03:23:22,246 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-02-21 03:23:22,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,253 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) [2022-02-21 03:23:22,275 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 [2022-02-21 03:23:22,281 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:22,281 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-02-21 03:23:22,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:22,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:22,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:22,282 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:22,304 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:22,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:22,307 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 [2022-02-21 03:23:22,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:22,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-02-21 03:23:22,344 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-02-21 03:23:22,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,345 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) [2022-02-21 03:23:22,347 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 [2022-02-21 03:23:22,347 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 [2022-02-21 03:23:22,372 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:22,372 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:22,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:22,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:22,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:22,373 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:22,378 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:22,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:22,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:22,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:22,412 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-02-21 03:23:22,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,413 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) [2022-02-21 03:23:22,416 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 [2022-02-21 03:23:22,417 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 [2022-02-21 03:23:22,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:22,422 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:22,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:22,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:22,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:22,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:22,425 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:22,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:22,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:22,467 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 [2022-02-21 03:23:22,468 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-02-21 03:23:22,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,469 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) [2022-02-21 03:23:22,470 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 [2022-02-21 03:23:22,473 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 [2022-02-21 03:23:22,479 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:22,479 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:22,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:22,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:22,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:22,479 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-02-21 03:23:22,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:23:22,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:22,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:22,553 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 [2022-02-21 03:23:22,563 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:22,563 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:22,563 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:22,563 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:22,563 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:23:22,563 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:22,563 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:22,563 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-02-21 03:23:22,563 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:22,563 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:22,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:22,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:22,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:22,658 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:22,658 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:23:22,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,676 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) [2022-02-21 03:23:22,677 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 [2022-02-21 03:23:22,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:23:22,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:22,700 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:23:22,700 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 03:23:22,717 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 [2022-02-21 03:23:22,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,718 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) [2022-02-21 03:23:22,719 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 [2022-02-21 03:23:22,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:23:22,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:22,770 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 [2022-02-21 03:23:22,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:22,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:22,771 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) [2022-02-21 03:23:22,772 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 [2022-02-21 03:23:22,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:23:22,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:34,261 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:23:34,266 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 [2022-02-21 03:23:34,267 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:34,267 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:34,267 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:34,267 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:34,267 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:23:34,267 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,267 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:34,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:34,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-02-21 03:23:34,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:34,267 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:34,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:34,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:34,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:34,430 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:34,430 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:23:34,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,431 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) [2022-02-21 03:23:34,435 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 [2022-02-21 03:23:34,436 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 [2022-02-21 03:23:34,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:34,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:34,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:23:34,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:34,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-02-21 03:23:34,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,477 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) [2022-02-21 03:23:34,491 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 [2022-02-21 03:23:34,492 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 [2022-02-21 03:23:34,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:34,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:34,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:23:34,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:34,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,527 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 [2022-02-21 03:23:34,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,529 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) [2022-02-21 03:23:34,530 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 [2022-02-21 03:23:34,531 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 [2022-02-21 03:23:34,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:34,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:23:34,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:23:34,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:34,592 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-02-21 03:23:34,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,608 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) [2022-02-21 03:23:34,624 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 [2022-02-21 03:23:34,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:34,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,630 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:34,631 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:34,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:34,634 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 [2022-02-21 03:23:34,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:34,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,675 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) [2022-02-21 03:23:34,692 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 [2022-02-21 03:23:34,697 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 [2022-02-21 03:23:34,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:34,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,698 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:34,698 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:34,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:34,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,745 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 [2022-02-21 03:23:34,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,746 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) [2022-02-21 03:23:34,747 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 [2022-02-21 03:23:34,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:23:34,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,760 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:34,765 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:23:34,765 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:23:34,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,787 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 [2022-02-21 03:23:34,787 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-02-21 03:23:34,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,790 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) [2022-02-21 03:23:34,791 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 [2022-02-21 03:23:34,793 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 [2022-02-21 03:23:34,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:34,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,798 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:34,799 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:34,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:34,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,822 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 [2022-02-21 03:23:34,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,825 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) [2022-02-21 03:23:34,826 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 [2022-02-21 03:23:34,828 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 [2022-02-21 03:23:34,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:34,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,835 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:34,835 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:34,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:34,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,879 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 [2022-02-21 03:23:34,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,881 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) [2022-02-21 03:23:34,882 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 [2022-02-21 03:23:34,883 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 [2022-02-21 03:23:34,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,889 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:34,894 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-02-21 03:23:34,894 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-02-21 03:23:34,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,928 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 [2022-02-21 03:23:34,928 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-02-21 03:23:34,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,930 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) [2022-02-21 03:23:34,930 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 [2022-02-21 03:23:34,932 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 [2022-02-21 03:23:34,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:34,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,938 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:34,938 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:34,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:34,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,956 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 [2022-02-21 03:23:34,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,958 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) [2022-02-21 03:23:34,958 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 [2022-02-21 03:23:34,960 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 [2022-02-21 03:23:34,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:34,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,966 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:34,967 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:34,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:34,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:34,986 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 [2022-02-21 03:23:34,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:34,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:34,987 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) [2022-02-21 03:23:34,989 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 [2022-02-21 03:23:34,990 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 [2022-02-21 03:23:34,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:34,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:34,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:34,996 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:35,020 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-02-21 03:23:35,021 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-02-21 03:23:35,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-02-21 03:23:35,077 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-02-21 03:23:35,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,078 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) [2022-02-21 03:23:35,079 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 [2022-02-21 03:23:35,080 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 [2022-02-21 03:23:35,086 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,086 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:35,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,086 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:35,087 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:35,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-02-21 03:23:35,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,120 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) [2022-02-21 03:23:35,129 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 [2022-02-21 03:23:35,130 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 [2022-02-21 03:23:35,136 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,136 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:35,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,136 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:35,137 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:35,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,181 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 [2022-02-21 03:23:35,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,183 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) [2022-02-21 03:23:35,184 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 [2022-02-21 03:23:35,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:23:35,192 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,192 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:35,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,192 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:35,198 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:23:35,198 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:23:35,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,252 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 [2022-02-21 03:23:35,252 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-02-21 03:23:35,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,254 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) [2022-02-21 03:23:35,268 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 [2022-02-21 03:23:35,269 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 [2022-02-21 03:23:35,275 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,275 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-02-21 03:23:35,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,275 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:35,276 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:35,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:35,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,298 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) [2022-02-21 03:23:35,298 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 [2022-02-21 03:23:35,300 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 [2022-02-21 03:23:35,307 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,307 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-02-21 03:23:35,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,307 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:35,307 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:35,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,324 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 [2022-02-21 03:23:35,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,326 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) [2022-02-21 03:23:35,329 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 [2022-02-21 03:23:35,329 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 [2022-02-21 03:23:35,335 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,335 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-02-21 03:23:35,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,335 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:35,357 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-02-21 03:23:35,358 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-02-21 03:23:35,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-02-21 03:23:35,400 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-02-21 03:23:35,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,401 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) [2022-02-21 03:23:35,402 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 [2022-02-21 03:23:35,403 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 [2022-02-21 03:23:35,410 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,410 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:35,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,411 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:35,412 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:35,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,430 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 [2022-02-21 03:23:35,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,432 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) [2022-02-21 03:23:35,433 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 [2022-02-21 03:23:35,434 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 [2022-02-21 03:23:35,440 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,440 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:35,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,440 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:35,441 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:35,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,460 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 [2022-02-21 03:23:35,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,461 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) [2022-02-21 03:23:35,462 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 [2022-02-21 03:23:35,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:23:35,469 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,469 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:35,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,470 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:35,476 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-02-21 03:23:35,476 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-02-21 03:23:35,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-02-21 03:23:35,525 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-02-21 03:23:35,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,526 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) [2022-02-21 03:23:35,527 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 [2022-02-21 03:23:35,528 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 [2022-02-21 03:23:35,534 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,534 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:35,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,535 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:35,535 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:35,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,563 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 [2022-02-21 03:23:35,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,564 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) [2022-02-21 03:23:35,565 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 [2022-02-21 03:23:35,567 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 [2022-02-21 03:23:35,572 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,573 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:35,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,573 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:35,573 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:35,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,604 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 [2022-02-21 03:23:35,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,606 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) [2022-02-21 03:23:35,607 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 [2022-02-21 03:23:35,608 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 [2022-02-21 03:23:35,614 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,614 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:35,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,614 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:35,619 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-02-21 03:23:35,619 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-02-21 03:23:35,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:35,668 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-02-21 03:23:35,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,684 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) [2022-02-21 03:23:35,711 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 [2022-02-21 03:23:35,712 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 [2022-02-21 03:23:35,718 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,718 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:35,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,718 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-02-21 03:23:35,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:23:35,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,736 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 [2022-02-21 03:23:35,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,756 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) [2022-02-21 03:23:35,772 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 [2022-02-21 03:23:35,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,778 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:35,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:35,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,778 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-02-21 03:23:35,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:23:35,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:35,783 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 [2022-02-21 03:23:35,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,805 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 [2022-02-21 03:23:35,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:35,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:35,820 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) [2022-02-21 03:23:35,821 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 [2022-02-21 03:23:35,822 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 [2022-02-21 03:23:35,828 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:35,828 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:35,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:35,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:35,828 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-02-21 03:23:35,836 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-02-21 03:23:35,836 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-02-21 03:23:35,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:35,883 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 [2022-02-21 03:23:35,884 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-02-21 03:23:35,884 INFO L791 eck$LassoCheckResult]: Stem: 528#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 529#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 530#L14 assume !(main_~y~0#1 >= 113383); 531#L16-2 assume !!(main_~y~0#1 > 1); 524#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 525#L16-2 assume !!(main_~y~0#1 > 1); 526#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 527#L16-2 assume !!(main_~y~0#1 > 1); 524#L16 [2022-02-21 03:23:35,884 INFO L793 eck$LassoCheckResult]: Loop: 524#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 525#L16-2 assume !!(main_~y~0#1 > 1); 526#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 527#L16-2 assume !!(main_~y~0#1 > 1); 524#L16 [2022-02-21 03:23:35,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:35,884 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2022-02-21 03:23:35,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:35,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672704364] [2022-02-21 03:23:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:35,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:35,893 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:35,899 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:35,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:35,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2022-02-21 03:23:35,899 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:35,899 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370058874] [2022-02-21 03:23:35,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:35,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:35,906 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:35,910 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:35,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:23:35,911 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2022-02-21 03:23:35,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:23:35,911 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139595267] [2022-02-21 03:23:35,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:23:35,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:23:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:35,922 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:23:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:23:35,939 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:23:36,013 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:36,014 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:36,014 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:36,014 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:36,014 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:23:36,014 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,014 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:36,014 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:36,014 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-02-21 03:23:36,014 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:36,015 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:36,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:36,082 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:36,082 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:23:36,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,099 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) [2022-02-21 03:23:36,100 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 [2022-02-21 03:23:36,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:23:36,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:36,151 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 [2022-02-21 03:23:36,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,160 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) [2022-02-21 03:23:36,160 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 [2022-02-21 03:23:36,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:23:36,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:36,219 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:23:36,223 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 [2022-02-21 03:23:36,223 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:36,223 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:36,223 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:36,223 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:36,223 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:23:36,223 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,223 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:36,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:36,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-02-21 03:23:36,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:36,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:36,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:36,295 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:36,296 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:23:36,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,297 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) [2022-02-21 03:23:36,304 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 [2022-02-21 03:23:36,304 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 [2022-02-21 03:23:36,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:36,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:36,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:36,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:36,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:36,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:23:36,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:36,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:36,333 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 [2022-02-21 03:23:36,333 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-02-21 03:23:36,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,335 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) [2022-02-21 03:23:36,335 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 [2022-02-21 03:23:36,337 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 [2022-02-21 03:23:36,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:36,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:36,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:36,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:36,344 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:36,346 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:36,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:36,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:36,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:36,377 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-02-21 03:23:36,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,378 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) [2022-02-21 03:23:36,378 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 [2022-02-21 03:23:36,418 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 [2022-02-21 03:23:36,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:36,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:36,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:36,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:36,426 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:36,428 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:36,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:36,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:36,446 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 [2022-02-21 03:23:36,447 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-02-21 03:23:36,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,448 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) [2022-02-21 03:23:36,449 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 [2022-02-21 03:23:36,451 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 [2022-02-21 03:23:36,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:36,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:36,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:36,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:36,459 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:36,462 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:36,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:36,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:36,493 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 [2022-02-21 03:23:36,493 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-02-21 03:23:36,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,494 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) [2022-02-21 03:23:36,495 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 [2022-02-21 03:23:36,496 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 [2022-02-21 03:23:36,502 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:36,502 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:36,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:36,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:36,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:36,503 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:36,504 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:36,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:36,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:36,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:36,560 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-02-21 03:23:36,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,562 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) [2022-02-21 03:23:36,562 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 [2022-02-21 03:23:36,564 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 [2022-02-21 03:23:36,570 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:36,570 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-02-21 03:23:36,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:36,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:36,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:36,570 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:36,573 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:36,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:36,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:36,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:36,596 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-02-21 03:23:36,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,597 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2022-02-21 03:23:36,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-02-21 03:23:36,600 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 [2022-02-21 03:23:36,606 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:36,606 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:36,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:36,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:36,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:36,606 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:36,615 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:36,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:36,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:36,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:36,651 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-02-21 03:23:36,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,652 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2022-02-21 03:23:36,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-02-21 03:23:36,655 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 [2022-02-21 03:23:36,660 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:36,661 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:36,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:36,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:36,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:36,661 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:36,663 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:36,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:36,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:36,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:36,688 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-02-21 03:23:36,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,689 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2022-02-21 03:23:36,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-02-21 03:23:36,691 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 [2022-02-21 03:23:36,705 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:36,706 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:36,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:36,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:36,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:36,706 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-02-21 03:23:36,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:23:36,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:36,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:36,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:36,870 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:36,870 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:36,870 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:36,870 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:36,870 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:23:36,870 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,870 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:36,871 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:36,871 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-02-21 03:23:36,871 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:36,871 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:36,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:36,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:36,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:36,962 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:36,962 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:23:36,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:36,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:36,979 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2022-02-21 03:23:36,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-02-21 03:23:36,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:23:36,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:37,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:37,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:37,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:37,035 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2022-02-21 03:23:37,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-02-21 03:23:37,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:23:37,038 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:23:37,665 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:23:37,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-02-21 03:23:37,669 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:23:37,669 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:23:37,669 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:23:37,669 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:23:37,669 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:23:37,669 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:37,669 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:23:37,669 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:23:37,669 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-02-21 03:23:37,669 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:23:37,669 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:23:37,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:37,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:37,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:23:37,858 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:23:37,858 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:23:37,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:37,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:37,860 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2022-02-21 03:23:37,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-02-21 03:23:37,862 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 [2022-02-21 03:23:37,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:37,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:37,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:37,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:37,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:37,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:23:37,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:37,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:37,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:37,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:37,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:37,885 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2022-02-21 03:23:37,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-02-21 03:23:37,887 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 [2022-02-21 03:23:37,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:37,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:37,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:37,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:37,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:23:37,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:23:37,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:37,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:37,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:37,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:37,922 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2022-02-21 03:23:37,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-02-21 03:23:37,924 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 [2022-02-21 03:23:37,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:37,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:37,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:37,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:37,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:23:37,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:23:37,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:37,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:37,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:37,945 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-02-21 03:23:37,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:37,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:37,947 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2022-02-21 03:23:37,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-02-21 03:23:37,952 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 [2022-02-21 03:23:37,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:37,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:37,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:37,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:37,958 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:37,959 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:37,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:37,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:37,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:37,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:37,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:37,976 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2022-02-21 03:23:37,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-02-21 03:23:37,978 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 [2022-02-21 03:23:37,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:37,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:37,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:37,984 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:37,988 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:23:37,988 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:23:37,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-02-21 03:23:38,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,014 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2022-02-21 03:23:38,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-02-21 03:23:38,016 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 [2022-02-21 03:23:38,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:38,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,022 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:38,022 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:38,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,053 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-02-21 03:23:38,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,054 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2022-02-21 03:23:38,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-02-21 03:23:38,057 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 [2022-02-21 03:23:38,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:38,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,063 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:38,063 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:38,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,081 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2022-02-21 03:23:38,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-02-21 03:23:38,083 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 [2022-02-21 03:23:38,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:38,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,089 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:38,102 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-02-21 03:23:38,103 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-02-21 03:23:38,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,162 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2022-02-21 03:23:38,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-02-21 03:23:38,164 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 [2022-02-21 03:23:38,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:38,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,170 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:38,170 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:38,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,186 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-02-21 03:23:38,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,187 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2022-02-21 03:23:38,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-02-21 03:23:38,189 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 [2022-02-21 03:23:38,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:38,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,195 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:38,199 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:38,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-02-21 03:23:38,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,216 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2022-02-21 03:23:38,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-02-21 03:23:38,219 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 [2022-02-21 03:23:38,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:38,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,224 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:38,231 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-02-21 03:23:38,231 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-02-21 03:23:38,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,288 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2022-02-21 03:23:38,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-02-21 03:23:38,290 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 [2022-02-21 03:23:38,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:23:38,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,296 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:38,296 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:38,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,324 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-02-21 03:23:38,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,340 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2022-02-21 03:23:38,356 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 [2022-02-21 03:23:38,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,362 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:38,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,362 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:38,362 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:38,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-02-21 03:23:38,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,408 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2022-02-21 03:23:38,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-02-21 03:23:38,410 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 [2022-02-21 03:23:38,415 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,416 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:38,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,416 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:38,420 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:23:38,420 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:23:38,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,453 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2022-02-21 03:23:38,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-02-21 03:23:38,455 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 [2022-02-21 03:23:38,460 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,460 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:38,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,460 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:23:38,461 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:23:38,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,490 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-02-21 03:23:38,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,491 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2022-02-21 03:23:38,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-02-21 03:23:38,494 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 [2022-02-21 03:23:38,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,499 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-02-21 03:23:38,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,499 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:38,500 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:38,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,533 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2022-02-21 03:23:38,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-02-21 03:23:38,535 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 [2022-02-21 03:23:38,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,540 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-02-21 03:23:38,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,541 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:38,546 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-02-21 03:23:38,546 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-02-21 03:23:38,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,585 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2022-02-21 03:23:38,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-02-21 03:23:38,588 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 [2022-02-21 03:23:38,593 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,593 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-02-21 03:23:38,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,593 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:38,594 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:38,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,625 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-02-21 03:23:38,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,626 INFO L229 MonitoredProcess]: Starting monitored process 86 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) [2022-02-21 03:23:38,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-02-21 03:23:38,630 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 [2022-02-21 03:23:38,635 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,636 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:38,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,636 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:38,637 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:38,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,669 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2022-02-21 03:23:38,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-02-21 03:23:38,671 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 [2022-02-21 03:23:38,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,677 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:38,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,677 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:38,684 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-02-21 03:23:38,684 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-02-21 03:23:38,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,741 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2022-02-21 03:23:38,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-02-21 03:23:38,743 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 [2022-02-21 03:23:38,749 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,749 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:38,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,750 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-02-21 03:23:38,750 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-02-21 03:23:38,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,781 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-02-21 03:23:38,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,782 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2022-02-21 03:23:38,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-02-21 03:23:38,785 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 [2022-02-21 03:23:38,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,790 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:38,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,791 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:38,791 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:38,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,843 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2022-02-21 03:23:38,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-02-21 03:23:38,845 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 [2022-02-21 03:23:38,850 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,850 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:38,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,850 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:38,856 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-02-21 03:23:38,856 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-02-21 03:23:38,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,889 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2022-02-21 03:23:38,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-02-21 03:23:38,906 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 [2022-02-21 03:23:38,911 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,912 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-02-21 03:23:38,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,912 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-02-21 03:23:38,913 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:23:38,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,940 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-02-21 03:23:38,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,941 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2022-02-21 03:23:38,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-02-21 03:23:38,943 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 [2022-02-21 03:23:38,949 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,949 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:38,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:38,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,950 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-02-21 03:23:38,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:23:38,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:38,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:38,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:38,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:38,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:38,983 INFO L229 MonitoredProcess]: Starting monitored process 93 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) [2022-02-21 03:23:38,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-02-21 03:23:38,985 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 [2022-02-21 03:23:38,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:38,993 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:38,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:38,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:38,993 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-02-21 03:23:39,003 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-02-21 03:23:39,004 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-02-21 03:23:39,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:39,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-02-21 03:23:39,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:23:39,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:23:39,089 INFO L229 MonitoredProcess]: Starting monitored process 94 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) [2022-02-21 03:23:39,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-02-21 03:23:39,092 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 [2022-02-21 03:23:39,098 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-02-21 03:23:39,098 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-02-21 03:23:39,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:23:39,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:23:39,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:23:39,098 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-02-21 03:23:39,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:23:39,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:23:39,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:23:39,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2022-02-21 03:23:39,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:23:39 BoogieIcfgContainer [2022-02-21 03:23:39,134 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:23:39,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:23:39,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:23:39,134 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:23:39,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:23:18" (3/4) ... [2022-02-21 03:23:39,145 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:23:39,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:23:39,147 INFO L158 Benchmark]: Toolchain (without parser) took 20822.79ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 76.8MB in the beginning and 108.4MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:23:39,147 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:23:39,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.33ms. Allocated memory is still 115.3MB. Free memory was 76.6MB in the beginning and 91.9MB in the end (delta: -15.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:23:39,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.53ms. Allocated memory is still 115.3MB. Free memory was 91.9MB in the beginning and 90.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:23:39,152 INFO L158 Benchmark]: Boogie Preprocessor took 29.93ms. Allocated memory is still 115.3MB. Free memory was 90.7MB in the beginning and 89.8MB in the end (delta: 928.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:23:39,152 INFO L158 Benchmark]: RCFGBuilder took 189.29ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 81.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:23:39,153 INFO L158 Benchmark]: BuchiAutomizer took 20265.83ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 81.0MB in the beginning and 108.4MB in the end (delta: -27.5MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2022-02-21 03:23:39,153 INFO L158 Benchmark]: Witness Printer took 11.01ms. Allocated memory is still 138.4MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:23:39,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.33ms. Allocated memory is still 115.3MB. Free memory was 76.6MB in the beginning and 91.9MB in the end (delta: -15.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.53ms. Allocated memory is still 115.3MB. Free memory was 91.9MB in the beginning and 90.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.93ms. Allocated memory is still 115.3MB. Free memory was 90.7MB in the beginning and 89.8MB in the end (delta: 928.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 189.29ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 81.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 20265.83ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 81.0MB in the beginning and 108.4MB in the end (delta: -27.5MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Witness Printer took 11.01ms. Allocated memory is still 138.4MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 20.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 19.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 39 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div532 bol100 ite100 ukn100 eq125 hnf96 smp31 dnf100 smp100 tf104 neg99 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 89ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~y~0#1 >= 113383);" "assume !!(main_~y~0#1 > 1);" "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" Loop: "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination [2022-02-21 03:23:39,175 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN