./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.13.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/b.13.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 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:17:32,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:17:32,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:17:32,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:17:32,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:17:32,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:17:32,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:17:32,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:17:32,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:17:32,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:17:32,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:17:32,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:17:32,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:17:32,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:17:32,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:17:32,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:17:32,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:17:32,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:17:32,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:17:32,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:17:32,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:17:32,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:17:32,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:17:32,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:17:32,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:17:32,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:17:32,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:17:32,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:17:32,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:17:32,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:17:32,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:17:32,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:17:32,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:17:32,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:17:32,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:17:32,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:17:32,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:17:32,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:17:32,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:17:32,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:17:32,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:17:32,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-17 04:17:32,522 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:17:32,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:17:32,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:17:32,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:17:32,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:17:32,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:17:32,526 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:17:32,526 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-17 04:17:32,526 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-17 04:17:32,526 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-17 04:17:32,527 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-17 04:17:32,527 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-17 04:17:32,527 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-17 04:17:32,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:17:32,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:17:32,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:17:32,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:17:32,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-17 04:17:32,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-17 04:17:32,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-17 04:17:32,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:17:32,528 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-17 04:17:32,529 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:17:32,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-17 04:17:32,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:17:32,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:17:32,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:17:32,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:17:32,531 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-17 04:17:32,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a [2023-02-17 04:17:32,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:17:32,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:17:32,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:17:32,772 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:17:32,772 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:17:32,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.13.c [2023-02-17 04:17:33,982 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:17:34,151 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:17:34,152 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.13.c [2023-02-17 04:17:34,155 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e9705f5/d70172699ce349d4bc4a214f50fcefb4/FLAG80f51d539 [2023-02-17 04:17:34,169 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e9705f5/d70172699ce349d4bc4a214f50fcefb4 [2023-02-17 04:17:34,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:17:34,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:17:34,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:17:34,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:17:34,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:17:34,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62832fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34, skipping insertion in model container [2023-02-17 04:17:34,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:17:34,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:17:34,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:17:34,305 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:17:34,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:17:34,324 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:17:34,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34 WrapperNode [2023-02-17 04:17:34,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:17:34,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:17:34,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:17:34,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:17:34,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,346 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2023-02-17 04:17:34,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:17:34,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:17:34,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:17:34,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:17:34,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:17:34,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:17:34,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:17:34,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:17:34,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (1/1) ... [2023-02-17 04:17:34,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:34,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:34,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:34,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-02-17 04:17:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:17:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:17:34,530 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:17:34,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:17:34,587 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:17:34,591 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:17:34,591 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 04:17:34,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:17:34 BoogieIcfgContainer [2023-02-17 04:17:34,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:17:34,593 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-17 04:17:34,593 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-17 04:17:34,596 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-17 04:17:34,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:17:34,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.02 04:17:34" (1/3) ... [2023-02-17 04:17:34,597 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b3cedbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:17:34, skipping insertion in model container [2023-02-17 04:17:34,597 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:17:34,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:17:34" (2/3) ... [2023-02-17 04:17:34,597 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b3cedbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:17:34, skipping insertion in model container [2023-02-17 04:17:34,597 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:17:34,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:17:34" (3/3) ... [2023-02-17 04:17:34,598 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.13.c [2023-02-17 04:17:34,631 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-17 04:17:34,632 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-17 04:17:34,632 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-17 04:17:34,632 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-17 04:17:34,632 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-17 04:17:34,632 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-17 04:17:34,632 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-17 04:17:34,633 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-17 04:17:34,635 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) [2023-02-17 04:17:34,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:17:34,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:17:34,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:17:34,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-17 04:17:34,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-17 04:17:34,648 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-17 04:17:34,649 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) [2023-02-17 04:17:34,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:17:34,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:17:34,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:17:34,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-17 04:17:34,650 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-17 04:17:34,655 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 8#L16-2true [2023-02-17 04:17:34,655 INFO L750 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 5#L13true assume main_~x~0#1 > main_~z~0#1;main_~x~0#1 := main_~x~0#1 - 1; 8#L16-2true [2023-02-17 04:17:34,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:34,658 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-02-17 04:17:34,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:17:34,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587033962] [2023-02-17 04:17:34,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:17:34,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:17:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:34,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:17:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:34,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:17:34,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:34,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2023-02-17 04:17:34,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:17:34,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781001659] [2023-02-17 04:17:34,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:17:34,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:17:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:34,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:17:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:34,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:17:34,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:34,734 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2023-02-17 04:17:34,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:17:34,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844688893] [2023-02-17 04:17:34,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:17:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:17:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:34,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:17:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:34,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:17:34,761 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:17:34,762 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:17:34,762 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:17:34,762 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:17:34,762 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:17:34,762 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:34,763 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:17:34,763 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:17:34,763 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration1_Loop [2023-02-17 04:17:34,763 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:17:34,763 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:17:34,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:34,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:34,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:34,790 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:17:34,791 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:17:34,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:34,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:34,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:34,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-17 04:17:34,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:17:34,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:17:34,830 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 [2023-02-17 04:17:34,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:34,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:34,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:34,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-17 04:17:34,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:17:34,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:17:35,164 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 04:17:35,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-17 04:17:35,168 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:17:35,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:17:35,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:17:35,169 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:17:35,169 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:17:35,169 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:35,169 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:17:35,169 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:17:35,169 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration1_Loop [2023-02-17 04:17:35,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:17:35,169 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:17:35,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:35,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:35,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:35,178 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:17:35,181 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:17:35,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:35,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:35,197 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:35,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-17 04:17:35,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:17:35,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:17:35,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:17:35,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:17:35,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:17:35,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:17:35,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 04:17:35,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:17:35,278 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-17 04:17:35,289 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-17 04:17:35,289 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-17 04:17:35,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:35,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:35,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:35,335 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-17 04:17:35,336 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-17 04:17:35,336 INFO L513 LassoAnalysis]: Proved termination. [2023-02-17 04:17:35,336 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2023-02-17 04:17:35,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-17 04:17:35,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-17 04:17:35,356 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-17 04:17:35,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:17:35,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-17 04:17:35,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:17:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:17:35,408 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-17 04:17:35,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:17:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:17:35,440 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-17 04:17:35,441 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:17:35,487 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 35 transitions. Complement of second has 5 states. [2023-02-17 04:17:35,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-17 04:17:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:17:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-02-17 04:17:35,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-17 04:17:35,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:17:35,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-17 04:17:35,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:17:35,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-17 04:17:35,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:17:35,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. [2023-02-17 04:17:35,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:17:35,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 11 states and 16 transitions. [2023-02-17 04:17:35,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-17 04:17:35,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-02-17 04:17:35,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2023-02-17 04:17:35,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-17 04:17:35,506 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2023-02-17 04:17:35,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2023-02-17 04:17:35,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2023-02-17 04:17:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:17:35,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2023-02-17 04:17:35,525 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2023-02-17 04:17:35,525 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2023-02-17 04:17:35,526 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-17 04:17:35,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2023-02-17 04:17:35,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:17:35,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:17:35,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:17:35,527 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 04:17:35,527 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-17 04:17:35,527 INFO L748 eck$LassoCheckResult]: Stem: 74#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 75#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~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;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 76#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 71#L13 [2023-02-17 04:17:35,528 INFO L750 eck$LassoCheckResult]: Loop: 71#L13 assume !(main_~x~0#1 > main_~z~0#1); 67#L16 assume main_~y~0#1 > main_~z~0#1;main_~y~0#1 := main_~y~0#1 - 1; 68#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 71#L13 [2023-02-17 04:17:35,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:35,530 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-02-17 04:17:35,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:17:35,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116950158] [2023-02-17 04:17:35,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:17:35,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:17:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:35,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:17:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:35,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:17:35,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:35,547 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2023-02-17 04:17:35,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:17:35,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019177750] [2023-02-17 04:17:35,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:17:35,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:17:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:35,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:17:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:35,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:17:35,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:35,567 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2023-02-17 04:17:35,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:17:35,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277552688] [2023-02-17 04:17:35,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:17:35,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:17:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:35,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:17:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:35,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:17:35,581 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:17:35,581 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:17:35,581 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:17:35,582 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:17:35,582 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:17:35,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:35,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:17:35,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:17:35,582 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration2_Loop [2023-02-17 04:17:35,582 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:17:35,582 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:17:35,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:35,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:35,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:35,589 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:17:35,589 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:17:35,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:35,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:35,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:35,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-17 04:17:35,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:17:35,614 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:17:35,635 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-17 04:17:35,635 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-17 04:17:35,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-02-17 04:17:35,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:35,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:35,668 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:35,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-17 04:17:35,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:17:35,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:17:35,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-02-17 04:17:35,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:35,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:35,695 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:35,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-17 04:17:35,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:17:35,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:17:35,962 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 04:17:35,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-17 04:17:35,971 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:17:35,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:17:35,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:17:35,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:17:35,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:17:35,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:35,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:17:35,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:17:35,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13.c_Iteration2_Loop [2023-02-17 04:17:35,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:17:35,971 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:17:35,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:35,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:35,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:17:35,980 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:17:35,981 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:17:35,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:35,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:35,986 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:35,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-17 04:17:35,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:17:35,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:17:35,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:17:35,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:17:35,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:17:35,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:17:35,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 04:17:35,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:17:36,026 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-17 04:17:36,042 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-17 04:17:36,042 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-17 04:17:36,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:17:36,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:17:36,045 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:17:36,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-17 04:17:36,047 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-17 04:17:36,047 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-17 04:17:36,047 INFO L513 LassoAnalysis]: Proved termination. [2023-02-17 04:17:36,048 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2023-02-17 04:17:36,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-17 04:17:36,053 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-17 04:17:36,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:17:36,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-17 04:17:36,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:17:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:17:36,074 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-17 04:17:36,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:17:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:17:36,100 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-02-17 04:17:36,101 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:17:36,120 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 54 transitions. Complement of second has 7 states. [2023-02-17 04:17:36,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-17 04:17:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:17:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2023-02-17 04:17:36,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2023-02-17 04:17:36,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:17:36,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2023-02-17 04:17:36,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:17:36,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2023-02-17 04:17:36,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:17:36,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 54 transitions. [2023-02-17 04:17:36,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:17:36,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 25 states and 36 transitions. [2023-02-17 04:17:36,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-02-17 04:17:36,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-02-17 04:17:36,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 36 transitions. [2023-02-17 04:17:36,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-17 04:17:36,125 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2023-02-17 04:17:36,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 36 transitions. [2023-02-17 04:17:36,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2023-02-17 04:17:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:17:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2023-02-17 04:17:36,128 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-02-17 04:17:36,128 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2023-02-17 04:17:36,128 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-17 04:17:36,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2023-02-17 04:17:36,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:17:36,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:17:36,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:17:36,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-17 04:17:36,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-17 04:17:36,130 INFO L748 eck$LassoCheckResult]: Stem: 164#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 166#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 170#L13 assume !(main_~x~0#1 > main_~z~0#1); 155#L16 [2023-02-17 04:17:36,130 INFO L750 eck$LassoCheckResult]: Loop: 155#L16 assume !(main_~y~0#1 > main_~z~0#1); 156#L16-2 assume !!(main_~x~0#1 > main_~z~0#1 || main_~y~0#1 > main_~z~0#1); 160#L13 assume !(main_~x~0#1 > main_~z~0#1); 155#L16 [2023-02-17 04:17:36,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:36,130 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-02-17 04:17:36,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:17:36,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491867353] [2023-02-17 04:17:36,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:17:36,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:17:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:36,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:17:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:17:36,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:17:36,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:17:36,137 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2023-02-17 04:17:36,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:17:36,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098539500] [2023-02-17 04:17:36,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:17:36,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:17:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:17:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:17:36,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:17:36,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098539500] [2023-02-17 04:17:36,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098539500] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:17:36,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:17:36,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:17:36,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513347872] [2023-02-17 04:17:36,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:17:36,168 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-02-17 04:17:36,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:17:36,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:17:36,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:17:36,173 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:17:36,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:17:36,210 INFO L93 Difference]: Finished difference Result 23 states and 31 transitions. [2023-02-17 04:17:36,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 31 transitions. [2023-02-17 04:17:36,211 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-17 04:17:36,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2023-02-17 04:17:36,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-17 04:17:36,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-17 04:17:36,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-17 04:17:36,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 04:17:36,212 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 04:17:36,212 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 04:17:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:17:36,213 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 04:17:36,213 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-17 04:17:36,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-17 04:17:36,213 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-17 04:17:36,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-17 04:17:36,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 04:17:36 BoogieIcfgContainer [2023-02-17 04:17:36,219 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-17 04:17:36,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 04:17:36,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 04:17:36,220 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 04:17:36,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:17:34" (3/4) ... [2023-02-17 04:17:36,224 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-17 04:17:36,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 04:17:36,231 INFO L158 Benchmark]: Toolchain (without parser) took 2057.86ms. Allocated memory was 159.4MB in the beginning and 247.5MB in the end (delta: 88.1MB). Free memory was 111.4MB in the beginning and 180.2MB in the end (delta: -68.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-02-17 04:17:36,231 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 102.2MB in the beginning and 102.0MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:17:36,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.08ms. Allocated memory is still 159.4MB. Free memory was 111.4MB in the beginning and 102.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 04:17:36,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.83ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:17:36,232 INFO L158 Benchmark]: Boogie Preprocessor took 12.75ms. Allocated memory is still 159.4MB. Free memory was 100.9MB in the beginning and 99.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:17:36,232 INFO L158 Benchmark]: RCFGBuilder took 230.43ms. Allocated memory is still 159.4MB. Free memory was 99.7MB in the beginning and 91.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 04:17:36,232 INFO L158 Benchmark]: BuchiAutomizer took 1626.35ms. Allocated memory was 159.4MB in the beginning and 247.5MB in the end (delta: 88.1MB). Free memory was 91.4MB in the beginning and 180.2MB in the end (delta: -88.8MB). Peak memory consumption was 952.0kB. Max. memory is 16.1GB. [2023-02-17 04:17:36,233 INFO L158 Benchmark]: Witness Printer took 9.83ms. Allocated memory is still 247.5MB. Free memory is still 180.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:17:36,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 102.2MB in the beginning and 102.0MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.08ms. Allocated memory is still 159.4MB. Free memory was 111.4MB in the beginning and 102.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.83ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.75ms. Allocated memory is still 159.4MB. Free memory was 100.9MB in the beginning and 99.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 230.43ms. Allocated memory is still 159.4MB. Free memory was 99.7MB in the beginning and 91.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1626.35ms. Allocated memory was 159.4MB in the beginning and 247.5MB in the end (delta: 88.1MB). Free memory was 91.4MB in the beginning and 180.2MB in the end (delta: -88.8MB). Peak memory consumption was 952.0kB. Max. memory is 16.1GB. * Witness Printer took 9.83ms. Allocated memory is still 247.5MB. Free memory is still 180.2MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * z + x and consists of 4 locations. One deterministic module has affine ranking function -1 * z + y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 15 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq131 hnf95 smp100 dnf76 smp100 tf111 neg97 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 154ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-17 04:17:36,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-17 04:17:36,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-17 04:17:36,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE