./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.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-lit/PodelskiRybalchenko-LICS2004-Fig1.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 4cf25ea48272ba4463d41281066a1cec5687f4083cfa8522d5a9622c6308689c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:25:06,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:25:06,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:25:06,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:25:06,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:25:06,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:25:06,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:25:06,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:25:06,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:25:06,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:25:06,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:25:06,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:25:06,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:25:06,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:25:06,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:25:06,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:25:06,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:25:06,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:25:06,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:25:06,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:25:06,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:25:06,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:25:06,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:25:06,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:25:06,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:25:06,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:25:06,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:25:06,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:25:06,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:25:06,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:25:06,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:25:06,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:25:06,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:25:06,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:25:06,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:25:06,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:25:06,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:25:06,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:25:06,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:25:06,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:25:06,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:25:06,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:25:06,290 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:25:06,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:25:06,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:25:06,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:25:06,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:25:06,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:25:06,293 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:25:06,293 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:25:06,293 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:25:06,294 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:25:06,294 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:25:06,294 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:25:06,295 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:25:06,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:25:06,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:25:06,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:25:06,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:25:06,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:25:06,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:25:06,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:25:06,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:25:06,296 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:25:06,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:25:06,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:25:06,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:25:06,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:25:06,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:25:06,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:25:06,298 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:25:06,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cf25ea48272ba4463d41281066a1cec5687f4083cfa8522d5a9622c6308689c [2022-02-21 03:25:06,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:25:06,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:25:06,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:25:06,555 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:25:06,556 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:25:06,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2022-02-21 03:25:06,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c728c882/70fc330a35bf45fe868ebf2175bb0a19/FLAG1400a1df5 [2022-02-21 03:25:06,977 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:25:06,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2022-02-21 03:25:06,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c728c882/70fc330a35bf45fe868ebf2175bb0a19/FLAG1400a1df5 [2022-02-21 03:25:07,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c728c882/70fc330a35bf45fe868ebf2175bb0a19 [2022-02-21 03:25:07,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:25:07,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:25:07,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:25:07,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:25:07,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:25:07,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbd5748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07, skipping insertion in model container [2022-02-21 03:25:07,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:25:07,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:25:07,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:25:07,579 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:25:07,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:25:07,614 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:25:07,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07 WrapperNode [2022-02-21 03:25:07,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:25:07,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:25:07,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:25:07,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:25:07,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,645 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-02-21 03:25:07,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:25:07,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:25:07,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:25:07,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:25:07,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:25:07,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:25:07,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:25:07,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:25:07,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (1/1) ... [2022-02-21 03:25:07,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:07,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:07,701 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 03:25:07,711 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 03:25:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:25:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:25:07,790 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:25:07,791 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:25:07,903 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:25:07,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:25:07,909 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 03:25:07,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:25:07 BoogieIcfgContainer [2022-02-21 03:25:07,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:25:07,911 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:25:07,911 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:25:07,919 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:25:07,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:25:07,921 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:25:07" (1/3) ... [2022-02-21 03:25:07,922 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ef8da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:25:07, skipping insertion in model container [2022-02-21 03:25:07,922 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:25:07,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:25:07" (2/3) ... [2022-02-21 03:25:07,923 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ef8da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:25:07, skipping insertion in model container [2022-02-21 03:25:07,923 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:25:07,923 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:25:07" (3/3) ... [2022-02-21 03:25:07,924 INFO L388 chiAutomizerObserver]: Analyzing ICFG PodelskiRybalchenko-LICS2004-Fig1.c [2022-02-21 03:25:07,969 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:25:07,969 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:25:07,970 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:25:07,970 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:25:07,970 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:25:07,970 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:25:07,970 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:25:07,970 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:25:07,986 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 03:25:08,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:25:08,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:25:08,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:25:08,018 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:25:08,018 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-02-21 03:25:08,018 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:25:08,018 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 03:25:08,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:25:08,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:25:08,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:25:08,021 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:25:08,022 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-02-21 03:25:08,027 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L17-2true [2022-02-21 03:25:08,027 INFO L793 eck$LassoCheckResult]: Loop: 5#L17-2true assume !!(main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823);main_~y~0#1 := 1; 3#L19-2true assume !(main_~y~0#1 < main_~x~0#1); 10#L19-3true main_~x~0#1 := main_~x~0#1 - 1; 5#L17-2true [2022-02-21 03:25:08,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:25:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-02-21 03:25:08,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:25:08,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952932160] [2022-02-21 03:25:08,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:25:08,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:25:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:08,093 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:25:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:08,114 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:25:08,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:25:08,117 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2022-02-21 03:25:08,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:25:08,118 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211575172] [2022-02-21 03:25:08,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:25:08,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:25:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:08,140 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:25:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:08,156 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:25:08,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:25:08,157 INFO L85 PathProgramCache]: Analyzing trace with hash 28699886, now seen corresponding path program 1 times [2022-02-21 03:25:08,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:25:08,158 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433264353] [2022-02-21 03:25:08,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:25:08,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:25:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:08,180 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:25:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:08,184 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:25:08,311 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:25:08,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:25:08,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:25:08,317 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:25:08,317 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:25:08,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:08,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:25:08,318 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:25:08,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: PodelskiRybalchenko-LICS2004-Fig1.c_Iteration1_Loop [2022-02-21 03:25:08,318 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:25:08,318 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:25:08,332 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 03:25:08,341 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 03:25:08,345 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 03:25:08,451 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:25:08,452 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:25:08,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:08,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:08,464 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 03:25:08,466 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 03:25:08,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:25:08,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:25:08,493 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:25:08,494 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 03:25:08,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-02-21 03:25:08,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:08,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:08,541 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 03:25:08,542 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 03:25:08,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:25:08,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:25:08,559 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:25:08,559 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 03:25:08,583 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 03:25:08,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:08,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:08,590 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 03:25:08,602 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:25:08,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:25:08,615 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 03:25:08,647 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 03:25:08,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:08,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:08,649 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 03:25:08,662 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 03:25:08,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:25:08,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:25:08,713 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:25:08,717 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 03:25:08,717 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:25:08,717 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:25:08,717 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:25:08,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:25:08,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:25:08,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:08,718 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:25:08,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:25:08,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: PodelskiRybalchenko-LICS2004-Fig1.c_Iteration1_Loop [2022-02-21 03:25:08,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:25:08,718 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:25:08,720 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 03:25:08,725 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 03:25:08,739 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 03:25:08,817 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:25:08,820 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:25:08,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:08,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:08,823 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 03:25:08,835 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 03:25:08,884 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 03:25:08,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:25:08,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:25:08,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:25:08,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:25:08,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:25:08,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:25:08,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:25:08,928 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 03:25:08,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:08,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:08,930 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 03:25:08,938 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 03:25:08,941 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 03:25:08,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:25:08,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:25:08,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:25:08,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:25:08,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:25:08,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:25:08,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:25:08,965 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:25:08,970 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-02-21 03:25:08,970 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-02-21 03:25:08,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:08,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:08,979 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 03:25:08,986 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:25:08,986 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 03:25:08,986 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:25:08,987 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2022-02-21 03:25:09,007 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 03:25:09,011 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 03:25:09,040 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-02-21 03:25:09,045 INFO L390 LassoCheck]: Loop: "assume !!(main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823);main_~y~0#1 := 1;" "assume !(main_~y~0#1 < main_~x~0#1);" "main_~x~0#1 := main_~x~0#1 - 1;" [2022-02-21 03:25:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:25:09,056 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 03:25:09,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:25:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:25:09,091 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:25:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:25:09,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:25:09,109 INFO L290 TraceCheckUtils]: 0: Hoare triple {19#unseeded} assume { :begin_inline_ULTIMATE.init } true; {19#unseeded} is VALID [2022-02-21 03:25:09,109 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_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; {19#unseeded} is VALID [2022-02-21 03:25:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:25:09,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:25:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:25:09,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:25:09,171 INFO L290 TraceCheckUtils]: 0: Hoare triple {22#(>= oldRank0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) 1))} assume !!(main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823);main_~y~0#1 := 1; {40#(and (<= 0 |ULTIMATE.start_main_~x~0#1|) (>= oldRank0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) 1)))} is VALID [2022-02-21 03:25:09,171 INFO L290 TraceCheckUtils]: 1: Hoare triple {40#(and (<= 0 |ULTIMATE.start_main_~x~0#1|) (>= oldRank0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) 1)))} assume !(main_~y~0#1 < main_~x~0#1); {40#(and (<= 0 |ULTIMATE.start_main_~x~0#1|) (>= oldRank0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) 1)))} is VALID [2022-02-21 03:25:09,172 INFO L290 TraceCheckUtils]: 2: Hoare triple {40#(and (<= 0 |ULTIMATE.start_main_~x~0#1|) (>= oldRank0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) 1)))} main_~x~0#1 := main_~x~0#1 - 1; {32#(or unseeded (and (> oldRank0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) 1)) (>= oldRank0 0)))} is VALID [2022-02-21 03:25:09,173 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 03:25:09,193 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 03:25:09,199 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 03:25:09,200 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 3 letters. [2022-02-21 03:25:09,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,204 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 03:25:09,205 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 03:25:09,263 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 24 states and 36 transitions. Complement of second has 7 states. [2022-02-21 03:25:09,263 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 03:25:09,263 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:25:09,264 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 03:25:09,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:25:09,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:25:09,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:25:09,266 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 03:25:09,268 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:25:09,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:25:09,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:25:09,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 36 transitions. [2022-02-21 03:25:09,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:25:09,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:25:09,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:25:09,271 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 03:25:09,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:25:09,273 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2022-02-21 03:25:09,273 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 03:25:09,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:25:09,275 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:25:09,275 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 24 states and 36 transitions. cyclomatic complexity: 15 [2022-02-21 03:25:09,275 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:25:09,276 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 3 letters. [2022-02-21 03:25:09,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,276 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 3 letters. [2022-02-21 03:25:09,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 2 letters. Loop has 3 letters. [2022-02-21 03:25:09,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,277 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 03:25:09,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,277 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 03:25:09,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:25:09,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,278 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 1 letters. [2022-02-21 03:25:09,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,278 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 1 letters. [2022-02-21 03:25:09,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:25:09,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,279 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 24 letters. Loop has 24 letters. [2022-02-21 03:25:09,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,279 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 24 letters. Loop has 24 letters. [2022-02-21 03:25:09,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 24 letters. Loop has 24 letters. [2022-02-21 03:25:09,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,280 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 03:25:09,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,284 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 03:25:09,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 9 letters. Loop has 9 letters. [2022-02-21 03:25:09,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,285 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 03:25:09,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,285 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 03:25:09,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:25:09,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,285 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 3 letters. [2022-02-21 03:25:09,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,286 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 3 letters. [2022-02-21 03:25:09,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 2 letters. Loop has 3 letters. [2022-02-21 03:25:09,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,287 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 1 letters. [2022-02-21 03:25:09,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,290 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 1 letters. [2022-02-21 03:25:09,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 3 letters. Loop has 1 letters. [2022-02-21 03:25:09,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,291 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 3 letters. [2022-02-21 03:25:09,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,291 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 3 letters. [2022-02-21 03:25:09,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 4 letters. Loop has 3 letters. [2022-02-21 03:25:09,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,292 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 03:25:09,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,292 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 03:25:09,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:25:09,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,293 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 03:25:09,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,293 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 03:25:09,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:25:09,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,294 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 1 letters. [2022-02-21 03:25:09,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,294 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 1 letters. [2022-02-21 03:25:09,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 36 transitions. cyclomatic complexity: 15 Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:25:09,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,295 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:25:09,299 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 03:25:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-02-21 03:25:09,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2022-02-21 03:25:09,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:25:09,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2022-02-21 03:25:09,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:25:09,302 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. cyclomatic complexity: 15 [2022-02-21 03:25:09,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:25:09,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2022-02-21 03:25:09,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2022-02-21 03:25:09,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2022-02-21 03:25:09,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2022-02-21 03:25:09,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-02-21 03:25:09,324 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2022-02-21 03:25:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2022-02-21 03:25:09,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2022-02-21 03:25:09,343 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:25:09,343 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8 states and 11 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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 03:25:09,344 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states and 11 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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 03:25:09,346 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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 03:25:09,348 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:25:09,349 INFO L93 Difference]: Finished difference Result 8 states and 11 transitions. [2022-02-21 03:25:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 11 transitions. [2022-02-21 03:25:09,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:25:09,350 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:25:09,351 INFO L74 IsIncluded]: Start isIncluded. First operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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 8 states and 11 transitions. [2022-02-21 03:25:09,351 INFO L87 Difference]: Start difference. First operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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 8 states and 11 transitions. [2022-02-21 03:25:09,351 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2022-02-21 03:25:09,353 INFO L93 Difference]: Finished difference Result 9 states and 13 transitions. [2022-02-21 03:25:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2022-02-21 03:25:09,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:25:09,354 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:25:09,354 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:25:09,354 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:25:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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 03:25:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2022-02-21 03:25:09,356 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2022-02-21 03:25:09,356 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2022-02-21 03:25:09,356 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:25:09,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2022-02-21 03:25:09,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:25:09,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:25:09,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:25:09,358 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:25:09,358 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2022-02-21 03:25:09,358 INFO L791 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 87#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 84#L17-2 assume !!(main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823);main_~y~0#1 := 1; 81#L19-2 [2022-02-21 03:25:09,358 INFO L793 eck$LassoCheckResult]: Loop: 81#L19-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 81#L19-2 [2022-02-21 03:25:09,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:25:09,359 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-02-21 03:25:09,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:25:09,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326421872] [2022-02-21 03:25:09,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:25:09,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:25:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:09,367 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:25:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:09,372 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:25:09,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:25:09,372 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2022-02-21 03:25:09,372 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:25:09,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910422915] [2022-02-21 03:25:09,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:25:09,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:25:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:09,384 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:25:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:09,387 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:25:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:25:09,388 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2022-02-21 03:25:09,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:25:09,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414744044] [2022-02-21 03:25:09,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:25:09,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:25:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:09,404 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:25:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:25:09,414 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:25:09,448 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:25:09,448 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:25:09,448 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:25:09,450 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:25:09,451 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:25:09,451 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:09,451 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:25:09,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:25:09,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: PodelskiRybalchenko-LICS2004-Fig1.c_Iteration2_Lasso [2022-02-21 03:25:09,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:25:09,452 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:25:09,454 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 03:25:09,463 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 03:25:09,476 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 03:25:09,479 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 03:25:09,482 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 03:25:09,483 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 03:25:09,555 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:25:09,555 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:25:09,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:09,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:09,557 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 03:25:09,566 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 03:25:09,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:25:09,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:25:09,587 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:25:09,588 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 03:25:09,613 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 03:25:09,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:09,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:09,616 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 03:25:09,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:25:09,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:25:09,639 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 03:25:09,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-02-21 03:25:09,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:25:09,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:25:09,661 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 03:25:09,664 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 03:25:09,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:25:09,665 INFO L160 nArgumentSynthesizer]: Using integer mode.