./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strlcat.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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-dietlibc/strlcat.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 31c220d29d6dec1ef33d2c1aa086e47a745ff101 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:18:14,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:18:14,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:18:14,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:18:14,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:18:14,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:18:14,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:18:14,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:18:14,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:18:14,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:18:14,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:18:14,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:18:14,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:18:14,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:18:14,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:18:14,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:18:14,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:18:14,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:18:14,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:18:14,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:18:14,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:18:14,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:18:14,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:18:14,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:18:14,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:18:14,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:18:14,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:18:14,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:18:14,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:18:14,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:18:14,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:18:14,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:18:14,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:18:14,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:18:14,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:18:14,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:18:14,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:18:14,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:18:14,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:18:14,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:18:14,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:18:14,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:18:14,719 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:18:14,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:18:14,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:18:14,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:18:14,722 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:18:14,723 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:18:14,723 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:18:14,723 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:18:14,723 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:18:14,724 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:18:14,724 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:18:14,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:18:14,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:18:14,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:18:14,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:18:14,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:18:14,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:18:14,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:18:14,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:18:14,726 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:18:14,726 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:18:14,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:18:14,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:18:14,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:18:14,727 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:18:14,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:18:14,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:18:14,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:18:14,729 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:18:14,730 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:18:14,730 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31c220d29d6dec1ef33d2c1aa086e47a745ff101 [2020-10-26 04:18:15,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:18:15,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:18:15,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:18:15,202 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:18:15,203 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:18:15,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strlcat.i [2020-10-26 04:18:15,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c6b9111e/231344d5017c4c30af37a0752926af20/FLAGb5ef090ca [2020-10-26 04:18:15,932 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:18:15,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strlcat.i [2020-10-26 04:18:15,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c6b9111e/231344d5017c4c30af37a0752926af20/FLAGb5ef090ca [2020-10-26 04:18:16,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c6b9111e/231344d5017c4c30af37a0752926af20 [2020-10-26 04:18:16,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:18:16,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:18:16,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:18:16,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:18:16,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:18:16,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132f4411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16, skipping insertion in model container [2020-10-26 04:18:16,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:18:16,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:18:16,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:18:16,685 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:18:16,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:18:16,799 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:18:16,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16 WrapperNode [2020-10-26 04:18:16,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:18:16,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:18:16,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:18:16,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:18:16,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:18:16,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:18:16,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:18:16,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:18:16,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... [2020-10-26 04:18:16,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:18:16,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:18:16,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:18:16,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:18:16,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:18:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:18:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:18:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:18:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:18:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:18:17,505 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:18:17,505 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-26 04:18:17,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:18:17 BoogieIcfgContainer [2020-10-26 04:18:17,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:18:17,509 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:18:17,509 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:18:17,512 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:18:17,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:18:17,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:18:16" (1/3) ... [2020-10-26 04:18:17,515 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d19af5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:18:17, skipping insertion in model container [2020-10-26 04:18:17,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:18:17,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:18:16" (2/3) ... [2020-10-26 04:18:17,515 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d19af5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:18:17, skipping insertion in model container [2020-10-26 04:18:17,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:18:17,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:18:17" (3/3) ... [2020-10-26 04:18:17,517 INFO L373 chiAutomizerObserver]: Analyzing ICFG strlcat.i [2020-10-26 04:18:17,576 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:18:17,576 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:18:17,576 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:18:17,576 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:18:17,576 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:18:17,576 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:18:17,577 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:18:17,577 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:18:17,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2020-10-26 04:18:17,616 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2020-10-26 04:18:17,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:18:17,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:18:17,625 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:18:17,625 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:18:17,625 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:18:17,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2020-10-26 04:18:17,628 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2020-10-26 04:18:17,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:18:17,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:18:17,629 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:18:17,629 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:18:17,639 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 15#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet15;havoc main_#t~nondet15; 23#L539true assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet17;havoc main_#t~nondet17; 14#L543true assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 3#L521-5true [2020-10-26 04:18:17,640 INFO L796 eck$LassoCheckResult]: Loop: 3#L521-5true call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 18#L521-1true assume strlcat_#t~short7;strlcat_#t~post6 := strlcat_~n~0;strlcat_~n~0 := strlcat_#t~post6 - 1;strlcat_#t~short7 := 0 != strlcat_#t~post6 % 4294967296; 22#L521-3true assume !!strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7;strlcat_#t~post8.base, strlcat_#t~post8.offset := strlcat_~d~0.base, strlcat_~d~0.offset;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_#t~post8.base, 1 + strlcat_#t~post8.offset;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset; 3#L521-5true [2020-10-26 04:18:17,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:17,647 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-26 04:18:17,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:18:17,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755930744] [2020-10-26 04:18:17,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:18:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:17,823 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:17,881 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:17,924 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:18:17,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:17,931 INFO L82 PathProgramCache]: Analyzing trace with hash 46776, now seen corresponding path program 1 times [2020-10-26 04:18:17,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:18:17,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62831917] [2020-10-26 04:18:17,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:18:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:17,967 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:17,988 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:17,994 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:18:18,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:18,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907761, now seen corresponding path program 1 times [2020-10-26 04:18:18,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:18:18,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457847751] [2020-10-26 04:18:18,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:18:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:18,079 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:18,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:18,116 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:18:18,397 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-10-26 04:18:19,046 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 100 [2020-10-26 04:18:19,205 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-26 04:18:19,219 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:18:19,219 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:18:19,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:18:19,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:18:19,220 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:18:19,220 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:19,220 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:18:19,220 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:18:19,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration1_Lasso [2020-10-26 04:18:19,221 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:18:19,221 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:18:19,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,828 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-10-26 04:18:19,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:19,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:20,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:20,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:20,688 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:18:20,694 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:20,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:20,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:20,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:20,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:20,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:20,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:20,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:20,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:20,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:20,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:20,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:20,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:20,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:20,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:20,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:20,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:20,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:20,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:20,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:20,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:20,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:20,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:20,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:20,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:20,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:20,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:20,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:20,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:20,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:20,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:20,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:20,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:20,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:20,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:20,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:20,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:20,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:20,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:20,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:20,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:20,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:20,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:20,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:20,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:20,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:20,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:20,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:20,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:20,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:20,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:20,965 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:18:20,987 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-26 04:18:20,988 INFO L444 ModelExtractionUtils]: 20 out of 28 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:21,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:18:21,039 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:18:21,040 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:18:21,041 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcat_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc16.base)_1) = -1*ULTIMATE.start_strlcat_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc16.base)_1 Supporting invariants [] [2020-10-26 04:18:21,154 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2020-10-26 04:18:21,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-26 04:18:21,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:18:21,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-26 04:18:21,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:18:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:18:21,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-26 04:18:21,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:18:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:18:21,354 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:18:21,355 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states. Second operand 4 states. [2020-10-26 04:18:21,478 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states.. Second operand 4 states. Result 73 states and 101 transitions. Complement of second has 9 states. [2020-10-26 04:18:21,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:18:21,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:18:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 66 transitions. [2020-10-26 04:18:21,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 3 letters. [2020-10-26 04:18:21,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:18:21,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 7 letters. Loop has 3 letters. [2020-10-26 04:18:21,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:18:21,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 6 letters. [2020-10-26 04:18:21,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:18:21,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 101 transitions. [2020-10-26 04:18:21,491 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2020-10-26 04:18:21,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 36 states and 45 transitions. [2020-10-26 04:18:21,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-10-26 04:18:21,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-10-26 04:18:21,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2020-10-26 04:18:21,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:18:21,499 INFO L691 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2020-10-26 04:18:21,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2020-10-26 04:18:21,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2020-10-26 04:18:21,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-26 04:18:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-10-26 04:18:21,531 INFO L714 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-26 04:18:21,531 INFO L594 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-26 04:18:21,531 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:18:21,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2020-10-26 04:18:21,532 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-10-26 04:18:21,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:18:21,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:18:21,533 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:18:21,533 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:18:21,534 INFO L794 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 210#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet15;havoc main_#t~nondet15; 211#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet17;havoc main_#t~nondet17; 209#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 190#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 192#L521-1 assume !strlcat_#t~short7; 213#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7; 204#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 205#L525 assume !(0 == strlcat_~n~0 % 4294967296); 201#L527-3 [2020-10-26 04:18:21,534 INFO L796 eck$LassoCheckResult]: Loop: 201#L527-3 call strlcat_#t~mem10 := read~int(strlcat_~s~0.base, strlcat_~s~0.offset, 1); 196#L527-1 assume !!(0 != strlcat_#t~mem10);havoc strlcat_#t~mem10; 197#L528 assume !(1 != strlcat_~n~0 % 4294967296); 200#L528-2 strlcat_#t~post14.base, strlcat_#t~post14.offset := strlcat_~s~0.base, strlcat_~s~0.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_#t~post14.base, 1 + strlcat_#t~post14.offset;havoc strlcat_#t~post14.base, strlcat_#t~post14.offset; 201#L527-3 [2020-10-26 04:18:21,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:21,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629448, now seen corresponding path program 1 times [2020-10-26 04:18:21,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:18:21,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190488085] [2020-10-26 04:18:21,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:18:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:21,559 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:21,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:21,587 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:18:21,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:21,587 INFO L82 PathProgramCache]: Analyzing trace with hash 2898824, now seen corresponding path program 1 times [2020-10-26 04:18:21,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:18:21,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347837694] [2020-10-26 04:18:21,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:18:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:21,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:21,598 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:21,600 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:18:21,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:21,600 INFO L82 PathProgramCache]: Analyzing trace with hash -701290865, now seen corresponding path program 1 times [2020-10-26 04:18:21,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:18:21,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854397706] [2020-10-26 04:18:21,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:18:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:21,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:21,673 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:21,688 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:18:22,520 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2020-10-26 04:18:22,778 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-26 04:18:22,783 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:18:22,783 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:18:22,783 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:18:22,783 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:18:22,783 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:18:22,783 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:22,783 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:18:22,784 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:18:22,784 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration2_Lasso [2020-10-26 04:18:22,784 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:18:22,784 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:18:22,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:22,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:23,342 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-10-26 04:18:23,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:23,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:23,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:23,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:23,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:23,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:23,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:23,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:23,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:24,093 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-10-26 04:18:24,548 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-26 04:18:24,698 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:18:24,698 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:24,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:24,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:24,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:24,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:24,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:24,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:24,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:24,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:24,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:24,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:24,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:24,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:24,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:24,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:24,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:24,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:24,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:24,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:24,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:24,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:24,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:24,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:24,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:24,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:24,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:24,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:24,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:24,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:24,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:24,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:24,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:24,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:24,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:24,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:24,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:24,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:24,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:24,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:24,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:24,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:24,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:24,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:24,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:24,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:24,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:24,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:24,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:24,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:24,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:24,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:24,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:24,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:24,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:24,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:24,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:24,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:24,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:24,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:24,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:24,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:24,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:24,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:25,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:25,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:25,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:25,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:25,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:25,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:25,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:25,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,018 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:25,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:25,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:25,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:25,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:25,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:25,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:25,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:25,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:25,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:25,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:25,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:25,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:25,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:25,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:25,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:25,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:25,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:25,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:25,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:25,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:25,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:25,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:25,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:25,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:25,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:25,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:25,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:25,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:25,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:25,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:25,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:25,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:25,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:25,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:25,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:25,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:25,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:25,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:25,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:25,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:25,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:25,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:25,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:25,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:25,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:25,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:25,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:25,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:25,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:25,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:25,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:25,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:25,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:25,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:25,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:25,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:25,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:25,420 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:18:25,470 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-26 04:18:25,470 INFO L444 ModelExtractionUtils]: 51 out of 61 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:25,473 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:25,476 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:18:25,477 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:18:25,477 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcat_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_2) = -1*ULTIMATE.start_strlcat_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_2 Supporting invariants [] [2020-10-26 04:18:25,579 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2020-10-26 04:18:25,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-26 04:18:25,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:18:25,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-26 04:18:25,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:18:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:18:25,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-26 04:18:25,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:18:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:18:25,677 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:18:25,677 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand 4 states. [2020-10-26 04:18:25,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 35 states and 44 transitions. Complement of second has 5 states. [2020-10-26 04:18:25,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:18:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:18:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-10-26 04:18:25,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-26 04:18:25,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:18:25,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2020-10-26 04:18:25,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:18:25,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 8 letters. [2020-10-26 04:18:25,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:18:25,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2020-10-26 04:18:25,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:18:25,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 16 states and 20 transitions. [2020-10-26 04:18:25,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-26 04:18:25,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-10-26 04:18:25,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2020-10-26 04:18:25,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:18:25,746 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-10-26 04:18:25,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2020-10-26 04:18:25,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-26 04:18:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-26 04:18:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2020-10-26 04:18:25,748 INFO L714 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-10-26 04:18:25,748 INFO L594 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-10-26 04:18:25,749 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:18:25,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2020-10-26 04:18:25,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:18:25,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:18:25,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:18:25,750 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:18:25,750 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:18:25,751 INFO L794 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 376#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet15;havoc main_#t~nondet15; 377#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet17;havoc main_#t~nondet17; 375#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 366#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 367#L521-1 assume !strlcat_#t~short7; 379#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~mem5;havoc strlcat_#t~post6;havoc strlcat_#t~short7; 372#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 373#L525 assume 0 == strlcat_~n~0 % 4294967296;strlen_#in~s.base, strlen_#in~s.offset := strlcat_~s~0.base, strlcat_~s~0.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 374#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 370#L509-4 [2020-10-26 04:18:25,751 INFO L796 eck$LassoCheckResult]: Loop: 370#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 371#L509-1 assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 381#L509-3 strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 370#L509-4 [2020-10-26 04:18:25,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:25,752 INFO L82 PathProgramCache]: Analyzing trace with hash 765806520, now seen corresponding path program 1 times [2020-10-26 04:18:25,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:18:25,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865865280] [2020-10-26 04:18:25,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:18:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:25,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:25,788 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:25,793 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:18:25,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:25,794 INFO L82 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 1 times [2020-10-26 04:18:25,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:18:25,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010951430] [2020-10-26 04:18:25,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:18:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:25,800 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:25,804 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:25,805 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:18:25,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:25,806 INFO L82 PathProgramCache]: Analyzing trace with hash -724195178, now seen corresponding path program 1 times [2020-10-26 04:18:25,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:18:25,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373406234] [2020-10-26 04:18:25,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:18:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:25,826 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:18:25,845 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:18:25,851 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:18:26,618 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2020-10-26 04:18:26,868 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-26 04:18:26,870 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:18:26,870 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:18:26,870 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:18:26,870 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:18:26,870 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:18:26,871 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:26,871 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:18:26,871 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:18:26,871 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration3_Lasso [2020-10-26 04:18:26,871 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:18:26,871 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:18:26,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:26,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,466 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2020-10-26 04:18:27,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:18:27,923 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-10-26 04:18:28,337 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-26 04:18:28,598 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:18:28,598 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:28,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:28,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:28,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:28,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:28,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:28,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:28,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:28,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:28,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:28,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:28,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:28,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:28,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:28,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:28,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:28,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:28,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:28,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:28,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:28,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:28,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:28,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:28,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:28,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:28,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:28,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:28,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:28,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:18:28,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:28,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:18:28,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:18:28,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:28,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:28,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:28,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:28,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:28,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:28,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:28,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:28,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:29,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:29,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:29,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:29,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:29,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:29,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:29,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:29,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:29,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:18:29,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:18:29,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:18:29,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:18:29,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:18:29,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:18:29,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:18:29,103 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:18:29,191 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2020-10-26 04:18:29,192 INFO L444 ModelExtractionUtils]: 14 out of 49 variables were initially zero. Simplification set additionally 32 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:18:29,195 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:18:29,199 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:18:29,200 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:18:29,200 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_3, ULTIMATE.start_strlen_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_3 - 1*ULTIMATE.start_strlen_~s.offset Supporting invariants [] [2020-10-26 04:18:29,281 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-10-26 04:18:29,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-26 04:18:29,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:18:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:18:29,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-26 04:18:29,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:18:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:18:29,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-26 04:18:29,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:18:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:18:29,413 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2020-10-26 04:18:29,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 5 states. [2020-10-26 04:18:29,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 19 states and 24 transitions. Complement of second has 6 states. [2020-10-26 04:18:29,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:18:29,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:18:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2020-10-26 04:18:29,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 3 letters. [2020-10-26 04:18:29,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:18:29,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 13 letters. Loop has 3 letters. [2020-10-26 04:18:29,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:18:29,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2020-10-26 04:18:29,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:18:29,520 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2020-10-26 04:18:29,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:18:29,521 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2020-10-26 04:18:29,521 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:18:29,521 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:18:29,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:18:29,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:18:29,521 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:18:29,521 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:18:29,521 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:18:29,521 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:18:29,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:18:29,522 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:18:29,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:18:29,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:18:29 BoogieIcfgContainer [2020-10-26 04:18:29,527 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:18:29,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:18:29,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:18:29,528 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:18:29,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:18:17" (3/4) ... [2020-10-26 04:18:29,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:18:29,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:18:29,534 INFO L168 Benchmark]: Toolchain (without parser) took 13287.29 ms. Allocated memory was 48.2 MB in the beginning and 161.5 MB in the end (delta: 113.2 MB). Free memory was 24.1 MB in the beginning and 101.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:18:29,535 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory is still 29.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:18:29,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.66 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.5 MB in the beginning and 28.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-10-26 04:18:29,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.47 ms. Allocated memory is still 62.9 MB. Free memory was 28.4 MB in the beginning and 46.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:18:29,537 INFO L168 Benchmark]: Boogie Preprocessor took 37.15 ms. Allocated memory is still 62.9 MB. Free memory was 46.0 MB in the beginning and 44.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:18:29,538 INFO L168 Benchmark]: RCFGBuilder took 602.34 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 45.2 MB in the end (delta: -1.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:18:29,542 INFO L168 Benchmark]: BuchiAutomizer took 12018.84 ms. Allocated memory was 62.9 MB in the beginning and 161.5 MB in the end (delta: 98.6 MB). Free memory was 44.9 MB in the beginning and 101.8 MB in the end (delta: -56.9 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:18:29,545 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 161.5 MB. Free memory is still 101.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:18:29,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory is still 29.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 544.66 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.5 MB in the beginning and 28.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.47 ms. Allocated memory is still 62.9 MB. Free memory was 28.4 MB in the beginning and 46.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.15 ms. Allocated memory is still 62.9 MB. Free memory was 46.0 MB in the beginning and 44.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 602.34 ms. Allocated memory is still 62.9 MB. Free memory was 44.2 MB in the beginning and 45.2 MB in the end (delta: -1.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 12018.84 ms. Allocated memory was 62.9 MB in the beginning and 161.5 MB in the end (delta: 98.6 MB). Free memory was 44.9 MB in the beginning and 101.8 MB in the end (delta: -56.9 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.82 ms. Allocated memory is still 161.5 MB. Free memory is still 101.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 11.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 51 SDtfs, 75 SDslu, 40 SDs, 0 SdLazy, 36 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital225 mio100 ax100 hnf97 lsp96 ukn81 mio100 lsp42 div156 bol100 ite100 ukn100 eq172 hnf71 smp97 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...