./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/atol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/atol.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer --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 f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:51,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:51,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:51,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:51,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:51,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:51,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:51,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:51,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:51,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:51,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:51,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:51,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:51,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:51,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:51,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:51,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:51,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:51,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:51,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:51,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:51,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:51,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:51,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:51,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:51,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:51,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:51,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:51,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:51,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:51,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:51,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:51,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:51,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:51,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:51,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:51,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:51,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:51,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:51,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:51,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:51,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 09:02:51,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:51,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:51,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:51,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:51,732 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:51,732 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:02:51,732 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:02:51,732 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:02:51,732 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:02:51,732 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:02:51,733 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:02:51,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:51,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:51,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:51,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:51,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:02:51,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:02:51,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:02:51,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:51,734 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:02:51,734 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:51,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:02:51,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:51,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:51,735 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:02:51,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:51,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:51,736 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:02:51,736 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:02:51,737 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer 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 -> f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 [2019-10-22 09:02:51,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:51,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:51,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:51,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:51,777 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:51,777 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/../../sv-benchmarks/c/termination-libowfat/atol.i [2019-10-22 09:02:51,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/data/ea491f0d9/87f5413d16be4c1fbae1eff7a0336cbd/FLAGba6fef6fc [2019-10-22 09:02:52,243 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:52,244 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/sv-benchmarks/c/termination-libowfat/atol.i [2019-10-22 09:02:52,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/data/ea491f0d9/87f5413d16be4c1fbae1eff7a0336cbd/FLAGba6fef6fc [2019-10-22 09:02:52,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/data/ea491f0d9/87f5413d16be4c1fbae1eff7a0336cbd [2019-10-22 09:02:52,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:52,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:52,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:52,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:52,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:52,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:52" (1/1) ... [2019-10-22 09:02:52,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42348576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:52, skipping insertion in model container [2019-10-22 09:02:52,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:52" (1/1) ... [2019-10-22 09:02:52,643 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:52,676 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:52,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:52,983 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:53,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:53,054 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:53,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53 WrapperNode [2019-10-22 09:02:53,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:53,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:53,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:53,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:53,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... [2019-10-22 09:02:53,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... [2019-10-22 09:02:53,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:53,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:53,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:53,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:53,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... [2019-10-22 09:02:53,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... [2019-10-22 09:02:53,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... [2019-10-22 09:02:53,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... [2019-10-22 09:02:53,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... [2019-10-22 09:02:53,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... [2019-10-22 09:02:53,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... [2019-10-22 09:02:53,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:53,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:53,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:53,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:53,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1422386b-6e1c-45b7-9146-177f429e3d46/bin/uautomizer/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 [2019-10-22 09:02:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:53,544 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:53,544 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 09:02:53,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:53 BoogieIcfgContainer [2019-10-22 09:02:53,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:53,546 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:02:53,546 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:02:53,550 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:02:53,551 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:53,551 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:02:52" (1/3) ... [2019-10-22 09:02:53,552 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a0389f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:53, skipping insertion in model container [2019-10-22 09:02:53,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:53,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:53" (2/3) ... [2019-10-22 09:02:53,553 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a0389f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:53, skipping insertion in model container [2019-10-22 09:02:53,553 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:53,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:53" (3/3) ... [2019-10-22 09:02:53,555 INFO L371 chiAutomizerObserver]: Analyzing ICFG atol.i [2019-10-22 09:02:53,604 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:02:53,605 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:02:53,606 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:02:53,606 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:53,606 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:53,606 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:02:53,606 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:53,606 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:02:53,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-10-22 09:02:53,644 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-10-22 09:02:53,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:53,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:53,651 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-10-22 09:02:53,653 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 09:02:53,653 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:02:53,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-10-22 09:02:53,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-10-22 09:02:53,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:53,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:53,656 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-10-22 09:02:53,656 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 09:02:53,662 INFO L791 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet13;havoc main_#t~nondet13; 12#L521true assume !(main_~in_len~0 < 1);call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);atol_#in~s.base, atol_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc atol_#res;havoc atol_#t~pre3.base, atol_#t~pre3.offset, atol_#t~mem2, atol_#t~mem4, atol_#t~switch5, atol_#t~pre6.base, atol_#t~pre6.offset, atol_#t~mem10, atol_#t~pre11.base, atol_#t~pre11.offset, atol_#t~mem7, atol_#t~mem8, atol_#t~short9, atol_#t~ite12, atol_~s.base, atol_~s.offset, atol_~v~0, atol_~sign~0;atol_~s.base, atol_~s.offset := atol_#in~s.base, atol_#in~s.offset;atol_~v~0 := 0;atol_~sign~0 := 0; 21#L509-3true [2019-10-22 09:02:53,663 INFO L793 eck$LassoCheckResult]: Loop: 21#L509-3true call atol_#t~mem2 := read~int(atol_~s.base, atol_~s.offset, 1); 17#L509-1true assume !!(32 == atol_#t~mem2);havoc atol_#t~mem2;atol_#t~pre3.base, atol_#t~pre3.offset := atol_~s.base, 1 + atol_~s.offset;atol_~s.base, atol_~s.offset := atol_~s.base, 1 + atol_~s.offset;havoc atol_#t~pre3.base, atol_#t~pre3.offset; 21#L509-3true [2019-10-22 09:02:53,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:53,668 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-10-22 09:02:53,675 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:53,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780674293] [2019-10-22 09:02:53,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:53,814 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:53,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:53,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2019-10-22 09:02:53,816 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:53,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104256192] [2019-10-22 09:02:53,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:53,833 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:53,837 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2019-10-22 09:02:53,838 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:53,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251293461] [2019-10-22 09:02:53,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:53,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:53,894 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:54,097 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-10-22 09:02:54,159 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:54,159 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:54,160 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:54,160 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:54,160 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:02:54,160 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:54,160 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:54,160 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:54,160 INFO L131 ssoRankerPreferences]: Filename of dumped script: atol.i_Iteration1_Lasso [2019-10-22 09:02:54,161 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:54,161 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:54,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:54,699 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:54,704 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:02:54,706 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 [2019-10-22 09:02:54,707 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,708 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,708 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,708 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,709 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,711 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,711 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,714 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 [2019-10-22 09:02:54,715 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,715 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,715 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,715 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,715 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,716 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,716 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,717 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 [2019-10-22 09:02:54,718 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,718 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,719 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,719 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,719 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,719 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,720 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,721 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 [2019-10-22 09:02:54,726 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,730 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,730 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,730 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,738 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,738 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,751 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 [2019-10-22 09:02:54,751 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,751 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,752 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,752 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,752 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,752 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,753 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,757 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 [2019-10-22 09:02:54,757 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,758 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,758 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,758 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,759 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,759 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,764 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,766 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 [2019-10-22 09:02:54,767 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,767 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,768 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,768 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,769 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,769 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,777 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 [2019-10-22 09:02:54,778 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,778 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,778 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,778 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,778 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,779 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,779 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,780 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 [2019-10-22 09:02:54,781 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,781 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,781 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,781 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,781 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,785 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,785 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,787 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 [2019-10-22 09:02:54,788 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,792 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,793 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,793 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,794 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,794 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,799 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 [2019-10-22 09:02:54,800 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,801 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,801 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,801 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,802 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,802 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,802 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,803 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 [2019-10-22 09:02:54,804 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,804 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,804 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,804 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,804 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,805 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,805 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,807 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 [2019-10-22 09:02:54,808 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,808 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,808 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,808 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,808 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,809 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,809 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,810 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 [2019-10-22 09:02:54,811 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,811 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,811 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,811 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,811 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,812 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,812 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,813 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 [2019-10-22 09:02:54,819 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,819 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,819 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,819 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,819 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,820 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,820 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,824 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 [2019-10-22 09:02:54,825 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,825 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,826 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,826 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,826 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,826 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,827 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,828 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 [2019-10-22 09:02:54,830 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,831 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,832 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,832 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,832 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,832 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,832 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,834 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 [2019-10-22 09:02:54,834 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,836 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,837 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,841 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,842 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,842 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,842 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,843 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 [2019-10-22 09:02:54,844 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,844 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,844 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,845 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,845 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,845 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,845 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,848 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 [2019-10-22 09:02:54,848 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,849 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,849 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,849 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,849 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,850 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,850 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,851 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 [2019-10-22 09:02:54,851 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,852 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,852 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,852 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,858 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,862 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,901 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:02:54,921 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 09:02:54,921 INFO L444 ModelExtractionUtils]: 21 out of 25 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 09:02:54,923 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:02:54,924 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 09:02:54,925 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:02:54,926 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_atol_~s.offset, v_rep(select #length ULTIMATE.start_atol_~s.base)_1) = -1*ULTIMATE.start_atol_~s.offset + 1*v_rep(select #length ULTIMATE.start_atol_~s.base)_1 Supporting invariants [] [2019-10-22 09:02:54,938 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-10-22 09:02:54,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 09:02:54,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:54,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:02:54,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:55,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 09:02:55,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:55,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:55,035 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 09:02:55,036 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2019-10-22 09:02:55,099 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 57 states and 79 transitions. Complement of second has 7 states. [2019-10-22 09:02:55,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 09:02:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 09:02:55,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2019-10-22 09:02:55,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 3 letters. Loop has 2 letters. [2019-10-22 09:02:55,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:55,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 5 letters. Loop has 2 letters. [2019-10-22 09:02:55,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:55,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 3 letters. Loop has 4 letters. [2019-10-22 09:02:55,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:55,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 79 transitions. [2019-10-22 09:02:55,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:02:55,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 0 states and 0 transitions. [2019-10-22 09:02:55,113 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:02:55,113 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:02:55,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:02:55,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:02:55,114 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:55,114 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:55,114 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:55,115 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:02:55,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:55,115 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:02:55,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:02:55,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:02:55 BoogieIcfgContainer [2019-10-22 09:02:55,121 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:02:55,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:55,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:55,122 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:55,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:53" (3/4) ... [2019-10-22 09:02:55,126 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:02:55,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:55,128 INFO L168 Benchmark]: Toolchain (without parser) took 2501.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.1 MB in the beginning and 910.1 MB in the end (delta: 29.1 MB). Peak memory consumption was 170.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:55,128 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:55,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:55,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:55,130 INFO L168 Benchmark]: Boogie Preprocessor took 24.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:55,130 INFO L168 Benchmark]: RCFGBuilder took 426.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:55,131 INFO L168 Benchmark]: BuchiAutomizer took 1575.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 184.5 MB). Peak memory consumption was 184.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:55,131 INFO L168 Benchmark]: Witness Printer took 4.54 ms. Allocated memory is still 1.2 GB. Free memory is still 910.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:55,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 427.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 426.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1575.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 184.5 MB). Peak memory consumption was 184.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.54 ms. Allocated memory is still 1.2 GB. Free memory is still 910.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 42 SDslu, 15 SDs, 0 SdLazy, 11 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax100 hnf99 lsp89 ukn91 mio100 lsp46 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf101 smp100 tf100 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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...