./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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-recursive-malloc/rec_malloc_ex2.i -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 b91dcc12f43fdd03af0529f07bf7885945925554291ddde3b9ca40d8f32b93c1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 19:56:17,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 19:56:17,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 19:56:17,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 19:56:17,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 19:56:17,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 19:56:17,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 19:56:17,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 19:56:17,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 19:56:17,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 19:56:17,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 19:56:17,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 19:56:17,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 19:56:17,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 19:56:17,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 19:56:17,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 19:56:17,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 19:56:17,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 19:56:17,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 19:56:17,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 19:56:17,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 19:56:17,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 19:56:17,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 19:56:17,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 19:56:17,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 19:56:17,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 19:56:17,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 19:56:17,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 19:56:17,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 19:56:17,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 19:56:17,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 19:56:17,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 19:56:17,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 19:56:17,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 19:56:17,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 19:56:17,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 19:56:17,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 19:56:17,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 19:56:17,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 19:56:17,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 19:56:17,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 19:56:17,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-22 19:56:17,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 19:56:17,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 19:56:17,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 19:56:17,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 19:56:17,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 19:56:17,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 19:56:17,336 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 19:56:17,337 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 19:56:17,337 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 19:56:17,337 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 19:56:17,337 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 19:56:17,338 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 19:56:17,338 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 19:56:17,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 19:56:17,338 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 19:56:17,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 19:56:17,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 19:56:17,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 19:56:17,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 19:56:17,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 19:56:17,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 19:56:17,339 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 19:56:17,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 19:56:17,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 19:56:17,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 19:56:17,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 19:56:17,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 19:56:17,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 19:56:17,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 19:56:17,341 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 19:56:17,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b91dcc12f43fdd03af0529f07bf7885945925554291ddde3b9ca40d8f32b93c1 [2021-12-22 19:56:17,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 19:56:17,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 19:56:17,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 19:56:17,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 19:56:17,556 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 19:56:17,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i [2021-12-22 19:56:17,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9297519c/ed66704ea1cb421a9e5e2dcd70996f3b/FLAG637e73b3f [2021-12-22 19:56:17,971 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 19:56:17,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex2.i [2021-12-22 19:56:17,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9297519c/ed66704ea1cb421a9e5e2dcd70996f3b/FLAG637e73b3f [2021-12-22 19:56:18,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9297519c/ed66704ea1cb421a9e5e2dcd70996f3b [2021-12-22 19:56:18,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 19:56:18,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 19:56:18,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 19:56:18,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 19:56:18,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 19:56:18,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c22b486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18, skipping insertion in model container [2021-12-22 19:56:18,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 19:56:18,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 19:56:18,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:56:18,536 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 19:56:18,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:56:18,553 INFO L208 MainTranslator]: Completed translation [2021-12-22 19:56:18,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18 WrapperNode [2021-12-22 19:56:18,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 19:56:18,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 19:56:18,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 19:56:18,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 19:56:18,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,573 INFO L137 Inliner]: procedures = 11, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2021-12-22 19:56:18,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 19:56:18,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 19:56:18,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 19:56:18,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 19:56:18,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 19:56:18,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 19:56:18,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 19:56:18,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 19:56:18,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (1/1) ... [2021-12-22 19:56:18,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:18,627 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) [2021-12-22 19:56:18,643 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 [2021-12-22 19:56:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 19:56:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-12-22 19:56:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-12-22 19:56:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 19:56:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 19:56:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 19:56:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 19:56:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 19:56:18,717 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 19:56:18,718 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 19:56:18,870 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 19:56:18,874 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 19:56:18,874 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 19:56:18,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:56:18 BoogieIcfgContainer [2021-12-22 19:56:18,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 19:56:18,876 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 19:56:18,876 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 19:56:18,878 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 19:56:18,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:56:18,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 07:56:18" (1/3) ... [2021-12-22 19:56:18,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77d9df2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:56:18, skipping insertion in model container [2021-12-22 19:56:18,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:56:18,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:56:18" (2/3) ... [2021-12-22 19:56:18,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77d9df2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:56:18, skipping insertion in model container [2021-12-22 19:56:18,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:56:18,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:56:18" (3/3) ... [2021-12-22 19:56:18,881 INFO L388 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex2.i [2021-12-22 19:56:18,926 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 19:56:18,926 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 19:56:18,926 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 19:56:18,926 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 19:56:18,926 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 19:56:18,926 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 19:56:18,927 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 19:56:18,927 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 19:56:18,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:18,962 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-22 19:56:18,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:56:18,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:56:18,966 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-22 19:56:18,966 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:56:18,966 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 19:56:18,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:18,968 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-22 19:56:18,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:56:18,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:56:18,968 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-22 19:56:18,968 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:56:18,973 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 12#L23-3true [2021-12-22 19:56:18,973 INFO L793 eck$LassoCheckResult]: Loop: 12#L23-3true call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 9#L23-1true assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 7#L26true call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 11#recENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 10#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 15#recFINALtrue assume true; 13#recEXITtrue >#31#return; 5#L26-1true call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 12#L23-3true [2021-12-22 19:56:18,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:18,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2021-12-22 19:56:19,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:56:19,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210792208] [2021-12-22 19:56:19,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:19,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:56:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:19,097 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:56:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:19,127 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:56:19,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:19,129 INFO L85 PathProgramCache]: Analyzing trace with hash -5927165, now seen corresponding path program 1 times [2021-12-22 19:56:19,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:56:19,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337130028] [2021-12-22 19:56:19,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:19,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:56:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 19:56:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:56:19,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:56:19,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337130028] [2021-12-22 19:56:19,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337130028] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:56:19,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:56:19,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 19:56:19,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041265671] [2021-12-22 19:56:19,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:56:19,352 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 19:56:19,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:56:19,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 19:56:19,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 19:56:19,374 INFO L87 Difference]: Start difference. First operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-22 19:56:19,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:56:19,429 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2021-12-22 19:56:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 19:56:19,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2021-12-22 19:56:19,435 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-22 19:56:19,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 16 transitions. [2021-12-22 19:56:19,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-22 19:56:19,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-22 19:56:19,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2021-12-22 19:56:19,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 19:56:19,440 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-12-22 19:56:19,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2021-12-22 19:56:19,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-22 19:56:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-22 19:56:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-12-22 19:56:19,457 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-12-22 19:56:19,457 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-12-22 19:56:19,457 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 19:56:19,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2021-12-22 19:56:19,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-22 19:56:19,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:56:19,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:56:19,459 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-22 19:56:19,459 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:56:19,459 INFO L791 eck$LassoCheckResult]: Stem: 51#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 52#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 58#L23-3 [2021-12-22 19:56:19,459 INFO L793 eck$LassoCheckResult]: Loop: 58#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 60#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 54#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 59#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 53#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 55#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 59#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 53#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 56#recFINAL assume true; 61#recEXIT >#29#return; 62#L17-1 #res := #t~ret6;havoc #t~ret6; 63#recFINAL assume true; 64#recEXIT >#31#return; 57#L26-1 call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 58#L23-3 [2021-12-22 19:56:19,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:19,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2021-12-22 19:56:19,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:56:19,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116624010] [2021-12-22 19:56:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:19,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:56:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:19,466 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:56:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:19,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:56:19,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:19,471 INFO L85 PathProgramCache]: Analyzing trace with hash -741726607, now seen corresponding path program 1 times [2021-12-22 19:56:19,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:56:19,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030291338] [2021-12-22 19:56:19,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:19,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:56:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 19:56:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 19:56:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-22 19:56:19,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:56:19,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030291338] [2021-12-22 19:56:19,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030291338] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:56:19,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916145919] [2021-12-22 19:56:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:19,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:56:19,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:19,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:56:19,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 19:56:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:19,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-22 19:56:19,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:19,773 INFO L353 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-22 19:56:19,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-12-22 19:56:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 19:56:22,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 19:56:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:56:22,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916145919] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 19:56:22,589 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 19:56:22,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 10] total 23 [2021-12-22 19:56:22,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150457668] [2021-12-22 19:56:22,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 19:56:22,590 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 19:56:22,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:56:22,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-22 19:56:22,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=448, Unknown=4, NotChecked=0, Total=552 [2021-12-22 19:56:22,592 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-22 19:56:22,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:56:22,981 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2021-12-22 19:56:22,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 19:56:22,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2021-12-22 19:56:22,983 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-22 19:56:22,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2021-12-22 19:56:22,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-22 19:56:22,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-22 19:56:22,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2021-12-22 19:56:22,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 19:56:22,984 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-22 19:56:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2021-12-22 19:56:22,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-22 19:56:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-22 19:56:22,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-12-22 19:56:22,986 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-22 19:56:22,986 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-22 19:56:22,986 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-22 19:56:22,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2021-12-22 19:56:22,986 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-22 19:56:22,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:56:22,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:56:22,987 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-22 19:56:22,987 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-22 19:56:22,987 INFO L791 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 206#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 212#L23-3 [2021-12-22 19:56:22,988 INFO L793 eck$LassoCheckResult]: Loop: 212#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 214#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 209#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 213#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 207#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 208#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 213#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 207#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 208#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 213#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 207#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 210#recFINAL assume true; 215#recEXIT >#29#return; 216#L17-1 #res := #t~ret6;havoc #t~ret6; 217#recFINAL assume true; 221#recEXIT >#29#return; 219#L17-1 #res := #t~ret6;havoc #t~ret6; 220#recFINAL assume true; 218#recEXIT >#31#return; 211#L26-1 call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 212#L23-3 [2021-12-22 19:56:22,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:22,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 3 times [2021-12-22 19:56:22,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:56:22,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039606450] [2021-12-22 19:56:22,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:22,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:56:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:22,993 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:56:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:22,998 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:56:22,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:22,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1620168125, now seen corresponding path program 2 times [2021-12-22 19:56:22,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:56:22,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22830492] [2021-12-22 19:56:22,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:22,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:56:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 19:56:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:23,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 19:56:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:23,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 19:56:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-22 19:56:23,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:56:23,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22830492] [2021-12-22 19:56:23,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22830492] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:56:23,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491788545] [2021-12-22 19:56:23,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 19:56:23,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:56:23,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:23,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:56:23,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 19:56:23,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 19:56:23,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 19:56:23,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-22 19:56:23,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:23,243 INFO L353 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-22 19:56:23,244 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-12-22 19:56:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-22 19:56:27,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 19:56:28,127 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:56:28,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491788545] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 19:56:28,127 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 19:56:28,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 14] total 27 [2021-12-22 19:56:28,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857957233] [2021-12-22 19:56:28,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 19:56:28,128 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 19:56:28,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:56:28,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-22 19:56:28,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=608, Unknown=5, NotChecked=0, Total=756 [2021-12-22 19:56:28,129 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 28 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 6 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2021-12-22 19:56:29,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:56:29,599 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-12-22 19:56:29,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 19:56:29,601 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2021-12-22 19:56:29,601 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-22 19:56:29,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2021-12-22 19:56:29,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-22 19:56:29,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-22 19:56:29,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2021-12-22 19:56:29,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 19:56:29,603 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-12-22 19:56:29,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2021-12-22 19:56:29,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-12-22 19:56:29,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-22 19:56:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-12-22 19:56:29,610 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-12-22 19:56:29,610 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-12-22 19:56:29,610 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-22 19:56:29,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 22 transitions. [2021-12-22 19:56:29,613 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-22 19:56:29,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:56:29,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:56:29,614 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-22 19:56:29,615 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2021-12-22 19:56:29,618 INFO L791 eck$LassoCheckResult]: Stem: 423#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 424#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~op~0#1.base, main_~op~0#1.offset, main_#t~mem9#1, main_~ip~0#1.base, main_~ip~0#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~ip~0#1.base, main_~ip~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~nondet8#1; 430#L23-3 [2021-12-22 19:56:29,619 INFO L793 eck$LassoCheckResult]: Loop: 430#L23-3 call main_#t~mem9#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 432#L23-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int(main_~ip~0#1.base, main_~ip~0#1.offset, 4); 426#L26 call main_#t~ret12#1 := rec(main_~op~0#1.base, main_~op~0#1.offset, main_~ip~0#1.base, main_~ip~0#1.offset);< 431#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 425#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 427#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 431#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 425#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 427#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 431#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 425#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~upn~0.base, ~upn~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);#t~post5 := #t~mem4;call write~int(#t~post5 - 1, ~p.base, ~p.offset, 4);havoc #t~mem4;havoc #t~post5; 427#L17 call #t~ret6 := rec(~p.base, ~p.offset, ~upn~0.base, ~upn~0.offset);< 431#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~up.base, ~up.offset := #in~up.base, #in~up.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 425#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);call ULTIMATE.dealloc(~up.base, ~up.offset);#res := ~pv~0; 428#recFINAL assume true; 433#recEXIT >#29#return; 434#L17-1 #res := #t~ret6;havoc #t~ret6; 435#recFINAL assume true; 442#recEXIT >#29#return; 441#L17-1 #res := #t~ret6;havoc #t~ret6; 440#recFINAL assume true; 439#recEXIT >#29#return; 437#L17-1 #res := #t~ret6;havoc #t~ret6; 438#recFINAL assume true; 436#recEXIT >#31#return; 429#L26-1 call write~int(main_#t~mem13#1 + main_#t~ret12#1, main_~ip~0#1.base, main_~ip~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1; 430#L23-3 [2021-12-22 19:56:29,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:29,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 4 times [2021-12-22 19:56:29,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:56:29,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731310338] [2021-12-22 19:56:29,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:29,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:56:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:29,631 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:56:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:29,634 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:56:29,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:29,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1930575665, now seen corresponding path program 3 times [2021-12-22 19:56:29,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:56:29,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405323199] [2021-12-22 19:56:29,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:29,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:56:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:29,679 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:56:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:29,706 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:56:29,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:29,706 INFO L85 PathProgramCache]: Analyzing trace with hash 650376563, now seen corresponding path program 1 times [2021-12-22 19:56:29,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:56:29,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487402949] [2021-12-22 19:56:29,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:56:29,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:56:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:29,764 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:56:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:56:29,792 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:56:32,298 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:56:32,299 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:56:32,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:56:32,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:56:32,299 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:56:32,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:32,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:56:32,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:56:32,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex2.i_Iteration4_Lasso [2021-12-22 19:56:32,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:56:32,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:56:32,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:56:32,833 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:56:32,851 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:56:32,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:32,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:32,907 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) [2021-12-22 19:56:32,910 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 [2021-12-22 19:56:32,913 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 [2021-12-22 19:56:32,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:32,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:56:32,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:56:32,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:56:32,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:32,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:56:32,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:56:32,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:56:32,963 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 [2021-12-22 19:56:32,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:32,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:32,965 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) [2021-12-22 19:56:32,966 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 [2021-12-22 19:56:32,968 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 [2021-12-22 19:56:32,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:32,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:56:32,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:56:32,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:56:32,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:32,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:56:32,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:56:32,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:56:33,021 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 [2021-12-22 19:56:33,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:33,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:33,024 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) [2021-12-22 19:56:33,052 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 [2021-12-22 19:56:33,052 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 [2021-12-22 19:56:33,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:33,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:56:33,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:56:33,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:33,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:56:33,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:56:33,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:56:33,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-22 19:56:33,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:33,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:33,091 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) [2021-12-22 19:56:33,092 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 [2021-12-22 19:56:33,094 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 [2021-12-22 19:56:33,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:33,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:56:33,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:56:33,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:56:33,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:33,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:56:33,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:56:33,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:56:33,136 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 [2021-12-22 19:56:33,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:33,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:33,138 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) [2021-12-22 19:56:33,139 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 [2021-12-22 19:56:33,140 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 [2021-12-22 19:56:33,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:33,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:56:33,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:56:33,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:33,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:56:33,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:56:33,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:56:33,183 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 [2021-12-22 19:56:33,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:33,186 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) [2021-12-22 19:56:33,187 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 [2021-12-22 19:56:33,188 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 [2021-12-22 19:56:33,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:33,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:56:33,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:56:33,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:56:33,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:33,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:56:33,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:56:33,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:56:33,215 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 [2021-12-22 19:56:33,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:33,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:33,216 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) [2021-12-22 19:56:33,217 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 [2021-12-22 19:56:33,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 19:56:33,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:33,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:56:33,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:56:33,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:33,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:56:33,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:56:33,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:56:33,251 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 [2021-12-22 19:56:33,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:33,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:33,253 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) [2021-12-22 19:56:33,254 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 [2021-12-22 19:56:33,256 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 [2021-12-22 19:56:33,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:33,264 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-22 19:56:33,264 INFO L204 nArgumentSynthesizer]: 16 loop disjuncts [2021-12-22 19:56:33,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:33,512 INFO L401 nArgumentSynthesizer]: We have 608 Motzkin's Theorem applications. [2021-12-22 19:56:33,513 INFO L402 nArgumentSynthesizer]: A total of 32 supporting invariants were added. [2021-12-22 19:56:34,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:56:34,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-22 19:56:34,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:34,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:34,146 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:56:34,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-22 19:56:34,148 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 [2021-12-22 19:56:34,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:34,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:56:34,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:56:34,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:56:34,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:34,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:56:34,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:56:34,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:56:34,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-22 19:56:34,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:34,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:34,191 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:56:34,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-22 19:56:34,207 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 [2021-12-22 19:56:34,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:56:34,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:56:34,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:56:34,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:56:34,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:56:34,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:56:34,232 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 19:56:34,238 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 19:56:34,238 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-12-22 19:56:34,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:56:34,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:56:34,241 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:56:34,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-22 19:56:34,251 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 19:56:34,268 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-22 19:56:34,268 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 19:56:34,269 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~ip~0#1.base) ULTIMATE.start_main_~ip~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~ip~0#1.base) ULTIMATE.start_main_~ip~0#1.offset)_1 Supporting invariants [] [2021-12-22 19:56:34,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-22 19:56:34,290 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-22 19:56:34,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:34,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:56:34,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:34,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 36 conjunts are in the unsatisfiable core [2021-12-22 19:56:34,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:34,473 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-12-22 19:56:34,476 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2021-12-22 19:56:34,518 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-22 19:56:34,519 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-22 19:56:34,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 19:56:34,738 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2021-12-22 19:56:34,738 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:34,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 83 states and 91 transitions. Complement of second has 17 states. [2021-12-22 19:56:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-12-22 19:56:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 13 transitions. [2021-12-22 19:56:34,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 13 transitions. Stem has 2 letters. Loop has 26 letters. [2021-12-22 19:56:34,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:56:34,810 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-22 19:56:34,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:34,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:56:34,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:34,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 36 conjunts are in the unsatisfiable core [2021-12-22 19:56:34,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:34,897 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-12-22 19:56:34,900 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2021-12-22 19:56:34,918 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-22 19:56:34,919 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-22 19:56:35,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-22 19:56:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 19:56:35,126 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 8 loop predicates [2021-12-22 19:56:35,126 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:35,167 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 83 states and 91 transitions. Complement of second has 17 states. [2021-12-22 19:56:35,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-12-22 19:56:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 13 transitions. [2021-12-22 19:56:35,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 13 transitions. Stem has 2 letters. Loop has 26 letters. [2021-12-22 19:56:35,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:56:35,169 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-22 19:56:35,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:35,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:56:35,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:35,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 36 conjunts are in the unsatisfiable core [2021-12-22 19:56:35,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:35,238 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-12-22 19:56:35,241 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2021-12-22 19:56:35,259 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-22 19:56:35,259 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-22 19:56:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 19:56:35,407 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2021-12-22 19:56:35,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:35,452 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 83 states and 91 transitions. Complement of second has 17 states. [2021-12-22 19:56:35,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-12-22 19:56:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 26 transitions. [2021-12-22 19:56:35,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 26 transitions. Stem has 2 letters. Loop has 26 letters. [2021-12-22 19:56:35,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:56:35,454 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-22 19:56:35,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:35,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:56:35,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:35,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 36 conjunts are in the unsatisfiable core [2021-12-22 19:56:35,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:35,524 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-22 19:56:35,524 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-22 19:56:35,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:56:35,535 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-22 19:56:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 19:56:35,657 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 8 loop predicates [2021-12-22 19:56:35,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:35,676 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 25 states and 28 transitions. Complement of second has 7 states. [2021-12-22 19:56:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-22 19:56:35,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-12-22 19:56:35,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 2 letters. Loop has 26 letters. [2021-12-22 19:56:35,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:56:35,679 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-22 19:56:35,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:56:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:35,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:56:35,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:56:35,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 36 conjunts are in the unsatisfiable core [2021-12-22 19:56:35,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:56:35,750 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-22 19:56:35,750 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-22 19:56:35,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:56:35,753 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-22 19:56:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 19:56:35,879 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2021-12-22 19:56:35,879 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:35,975 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,976 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,977 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:35,978 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:35,979 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,979 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,980 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,988 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,992 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,992 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,994 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,994 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,996 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:35,997 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:35,997 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,998 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,998 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:35,999 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:35,999 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:35,999 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,000 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,000 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,000 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,001 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,001 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,001 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,003 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,003 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,003 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,004 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,004 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,004 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,004 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,005 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,006 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,006 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,013 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,014 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,018 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,018 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,019 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,019 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,019 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,019 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,021 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,022 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,022 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,023 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,023 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,024 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,024 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,025 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,025 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,025 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,027 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,046 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,048 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,048 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,049 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,049 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,050 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,050 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,053 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,054 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,056 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,061 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,061 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,062 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,062 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,063 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,064 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,064 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,064 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,064 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,065 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,065 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,066 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,066 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,067 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,067 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,067 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,068 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,068 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,069 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,069 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,069 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,070 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,070 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,070 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,070 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,071 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,072 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,072 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,073 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,074 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,074 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,075 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,076 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,076 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,077 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,077 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,078 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,079 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,079 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,079 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,081 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,081 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,086 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,086 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,087 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,088 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,088 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,089 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,089 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,089 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,089 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,091 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,092 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,092 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,092 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,093 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,093 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,094 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,094 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,095 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,095 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,096 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,097 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,097 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,099 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,100 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,100 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,101 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,101 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,101 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,102 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,102 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,104 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,104 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,104 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,105 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,105 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,119 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,136 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,137 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,138 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,144 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,146 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,150 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,151 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,151 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,151 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,158 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,159 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,159 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,159 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,159 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,160 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,160 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,160 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,161 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,161 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,162 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,162 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,163 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,163 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,164 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,164 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,167 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,168 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,168 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,168 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,169 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,170 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,171 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,171 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,204 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,206 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,207 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,208 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,209 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,209 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,222 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,223 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,225 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,271 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,272 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,276 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,277 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,411 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,412 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,413 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,413 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,420 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,421 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,428 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,429 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,475 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,476 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,490 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,491 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,491 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,491 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,491 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,492 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,492 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,495 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,496 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,496 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,496 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,497 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,497 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,497 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,497 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,498 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,498 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,498 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,499 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,499 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,499 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,500 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,500 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,502 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,502 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,503 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,504 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,504 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,504 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,504 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,505 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,506 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,506 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,506 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,508 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,509 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,509 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,509 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,509 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,510 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,510 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,510 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,510 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,525 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,525 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,525 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,526 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,526 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,526 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,526 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,527 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,527 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,527 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,537 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,537 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,538 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,538 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,538 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,538 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,539 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,539 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,540 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,540 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,540 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,540 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,541 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,541 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,542 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,542 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,542 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,543 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,543 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,543 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,543 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,544 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,544 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,593 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,593 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,594 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,594 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,594 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,595 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,595 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,595 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,595 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,596 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,597 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,597 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,597 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,597 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,598 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,598 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,599 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,599 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,599 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,600 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,600 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,600 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,600 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,601 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,601 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,635 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,637 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,637 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,637 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,637 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,637 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,641 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,642 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,677 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,677 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,678 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,678 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,679 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,679 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,679 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,679 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,679 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,680 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,697 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,698 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,699 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,699 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,699 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,700 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,700 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,700 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,700 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,701 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,702 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,702 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,703 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,703 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,704 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,704 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,704 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,705 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,705 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,705 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,706 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,706 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,706 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,706 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,707 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,737 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,738 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,738 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,739 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,739 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,740 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,740 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,741 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,741 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,743 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,743 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,743 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,743 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,744 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,744 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,744 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,745 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,745 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,745 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,745 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,746 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,797 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,798 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,798 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,798 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,798 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,799 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,799 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,800 WARN L278 uchiComplementFKVNwa]: big16 [2021-12-22 19:56:36,800 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,800 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,800 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,823 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,824 WARN L278 uchiComplementFKVNwa]: big8 [2021-12-22 19:56:36,882 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 5585 states and 40908 transitions. Complement of second has 1312 states 12 powerset states1300 rank states. The highest rank that occured is 9 [2021-12-22 19:56:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-12-22 19:56:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 19:56:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 52 transitions. [2021-12-22 19:56:36,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 2 letters. Loop has 26 letters. [2021-12-22 19:56:36,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:56:36,885 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-22 19:56:36,885 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-22 19:56:36,888 INFO L158 Benchmark]: Toolchain (without parser) took 18489.75ms. Allocated memory was 86.0MB in the beginning and 184.5MB in the end (delta: 98.6MB). Free memory was 53.8MB in the beginning and 42.3MB in the end (delta: 11.5MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2021-12-22 19:56:36,889 INFO L158 Benchmark]: CDTParser took 5.44ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 57.3MB in the end (delta: -15.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-12-22 19:56:36,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.59ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.7MB in the beginning and 82.3MB in the end (delta: -28.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-12-22 19:56:36,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.54ms. Allocated memory is still 104.9MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 19:56:36,890 INFO L158 Benchmark]: Boogie Preprocessor took 26.31ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:56:36,890 INFO L158 Benchmark]: RCFGBuilder took 274.09ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 68.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 19:56:36,890 INFO L158 Benchmark]: BuchiAutomizer took 18011.69ms. Allocated memory was 104.9MB in the beginning and 184.5MB in the end (delta: 79.7MB). Free memory was 68.8MB in the beginning and 42.3MB in the end (delta: 26.5MB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. [2021-12-22 19:56:36,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.44ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 57.3MB in the end (delta: -15.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.59ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.7MB in the beginning and 82.3MB in the end (delta: -28.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.54ms. Allocated memory is still 104.9MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.31ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.09ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 68.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 18011.69ms. Allocated memory was 104.9MB in the beginning and 184.5MB in the end (delta: 79.7MB). Free memory was 68.8MB in the beginning and 42.3MB in the end (delta: 26.5MB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-22 19:56:36,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 19:56:37,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 19:56:37,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient