./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/aaron2-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/aaron2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD --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 246d09347c3a084eeabbdf966240b074edac2f7f1a00862cb8995171f6755d56 ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:41:11,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:41:11,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:41:11,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:41:11,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:41:11,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:41:11,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:41:11,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:41:11,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:41:11,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:41:11,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:41:11,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:41:11,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:41:11,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:41:11,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:41:11,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:41:11,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:41:11,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:41:11,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:41:11,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:41:11,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:41:11,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:41:11,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:41:11,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:41:11,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:41:11,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:41:11,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:41:11,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:41:11,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:41:11,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:41:11,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:41:11,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:41:11,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:41:11,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:41:11,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:41:11,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:41:11,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:41:11,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:41:11,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:41:11,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:41:11,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:41:11,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:41:11,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:41:11,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:41:11,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:41:11,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:41:11,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:41:11,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:41:11,867 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:41:11,867 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:41:11,867 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:41:11,868 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:41:11,869 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:41:11,870 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:41:11,870 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:41:11,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:41:11,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:41:11,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:41:11,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:41:11,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:41:11,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:41:11,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:41:11,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:41:11,873 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:41:11,873 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:41:11,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:41:11,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:41:11,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:41:11,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:41:11,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:41:11,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:41:11,876 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:41:11,876 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 246d09347c3a084eeabbdf966240b074edac2f7f1a00862cb8995171f6755d56 [2021-10-28 23:41:12,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:41:12,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:41:12,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:41:12,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:41:12,246 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:41:12,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted/aaron2-1.c [2021-10-28 23:41:12,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/data/04939a1a4/0a8f7643bc034a2fa9b07281e366dea8/FLAG19353b0d3 [2021-10-28 23:41:12,955 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:41:12,955 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/sv-benchmarks/c/termination-crafted/aaron2-1.c [2021-10-28 23:41:12,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/data/04939a1a4/0a8f7643bc034a2fa9b07281e366dea8/FLAG19353b0d3 [2021-10-28 23:41:13,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/data/04939a1a4/0a8f7643bc034a2fa9b07281e366dea8 [2021-10-28 23:41:13,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:41:13,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:41:13,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:41:13,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:41:13,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:41:13,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b94e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13, skipping insertion in model container [2021-10-28 23:41:13,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:41:13,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:41:13,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:41:13,539 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:41:13,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:41:13,585 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:41:13,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13 WrapperNode [2021-10-28 23:41:13,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:41:13,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:41:13,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:41:13,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:41:13,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:41:13,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:41:13,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:41:13,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:41:13,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:41:13,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:41:13,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:41:13,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:41:13,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (1/1) ... [2021-10-28 23:41:13,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:13,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:13,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:13,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:41:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:41:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:41:14,003 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:41:14,004 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:41:14,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:41:14 BoogieIcfgContainer [2021-10-28 23:41:14,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:41:14,023 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:41:14,023 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:41:14,027 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:41:14,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:41:14,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:41:13" (1/3) ... [2021-10-28 23:41:14,030 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@565ff5d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:41:14, skipping insertion in model container [2021-10-28 23:41:14,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:41:14,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:13" (2/3) ... [2021-10-28 23:41:14,031 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@565ff5d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:41:14, skipping insertion in model container [2021-10-28 23:41:14,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:41:14,032 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:41:14" (3/3) ... [2021-10-28 23:41:14,033 INFO L389 chiAutomizerObserver]: Analyzing ICFG aaron2-1.c [2021-10-28 23:41:14,103 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:41:14,104 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:41:14,104 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:41:14,104 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:41:14,104 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:41:14,105 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:41:14,105 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:41:14,105 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:41:14,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:14,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:41:14,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:41:14,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:41:14,152 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:41:14,153 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:41:14,153 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:41:14,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:14,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:41:14,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:41:14,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:41:14,157 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:41:14,157 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:41:14,165 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~tx~0;havoc main_~x~0;havoc main_~y~0;havoc main_~tx~0;main_~tx~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~y~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L21true assume !!(main_~tx~0 <= 1073741823); 4#L22true assume !!(main_~x~0 <= 1073741823); 10#L23true assume !!(main_~y~0 >= -1073741823); 5#L25-2true [2021-10-28 23:41:14,181 INFO L793 eck$LassoCheckResult]: Loop: 5#L25-2true assume !!(main_~x~0 >= main_~y~0 && main_~tx~0 >= 0); 9#L25true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 - 1 - main_~tx~0; 5#L25-2true [2021-10-28 23:41:14,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:14,189 INFO L85 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2021-10-28 23:41:14,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:14,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78291313] [2021-10-28 23:41:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:14,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:41:14,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:41:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:41:14,406 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:41:14,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:14,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1764, now seen corresponding path program 1 times [2021-10-28 23:41:14,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:14,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378608715] [2021-10-28 23:41:14,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:14,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:41:14,427 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:41:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:41:14,435 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:41:14,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:14,438 INFO L85 PathProgramCache]: Analyzing trace with hash 922017838, now seen corresponding path program 1 times [2021-10-28 23:41:14,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:14,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798940851] [2021-10-28 23:41:14,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:14,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:41:14,452 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:41:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:41:14,465 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:41:14,619 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:41:14,628 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:41:14,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:41:14,629 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:41:14,629 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:41:14,629 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:14,629 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:41:14,630 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:41:14,630 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2021-10-28 23:41:14,630 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:41:14,630 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:41:14,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:41:14,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:41:14,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:41:14,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:41:14,783 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:41:14,784 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:41:14,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:14,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:14,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:14,798 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:41:14,798 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:41:14,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:41:14,832 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:41:14,832 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:41:14,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:41:14,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:14,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:14,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:14,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:41:14,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:41:14,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:41:14,918 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:41:14,918 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:41:14,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:41:14,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:14,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:14,965 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:14,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:41:14,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:41:14,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:41:15,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:41:15,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:15,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:15,034 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:15,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:41:15,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:41:15,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:41:15,439 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:41:15,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:41:15,455 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:41:15,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:41:15,455 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:41:15,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:41:15,456 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:41:15,456 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:15,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:41:15,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:41:15,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2021-10-28 23:41:15,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:41:15,456 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:41:15,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:41:15,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:41:15,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:41:15,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:41:15,567 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:41:15,572 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:41:15,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:15,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:15,587 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:15,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:41:15,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:41:15,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:41:15,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:41:15,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:41:15,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:41:15,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:41:15,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:41:15,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:41:15,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:41:15,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:15,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:15,677 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:15,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:41:15,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:41:15,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:41:15,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:41:15,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:41:15,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:41:15,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:41:15,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:41:15,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:41:15,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:41:15,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:15,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:15,782 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:15,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:41:15,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:41:15,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:41:15,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:41:15,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:41:15,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:41:15,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:41:15,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:41:15,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:41:15,831 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:41:15,836 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:41:15,836 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:41:15,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:41:15,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:15,839 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:15,845 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:41:15,845 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:41:15,845 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:41:15,846 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [] [2021-10-28 23:41:15,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:41:15,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:41:15,885 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:41:15,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:15,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:41:15,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:41:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:15,959 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:41:15,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:41:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:16,008 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 [2021-10-28 23:41:16,009 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:16,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 23:41:16,089 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 7 states. [2021-10-28 23:41:16,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:41:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-10-28 23:41:16,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 23:41:16,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:41:16,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-28 23:41:16,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:41:16,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-28 23:41:16,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:41:16,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-10-28 23:41:16,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:41:16,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-10-28 23:41:16,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:41:16,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:41:16,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:41:16,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:41:16,111 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:41:16,111 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:41:16,111 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:41:16,111 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:41:16,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:41:16,111 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:41:16,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:41:16,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:41:16 BoogieIcfgContainer [2021-10-28 23:41:16,117 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:41:16,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:41:16,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:41:16,119 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:41:16,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:41:14" (3/4) ... [2021-10-28 23:41:16,122 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:41:16,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:41:16,125 INFO L168 Benchmark]: Toolchain (without parser) took 2821.56 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 61.8 MB in the beginning and 101.8 MB in the end (delta: -39.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:41:16,125 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 77.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:41:16,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.64 ms. Allocated memory is still 102.8 MB. Free memory was 61.6 MB in the beginning and 78.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:16,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 77.7 MB in the end (delta: 925.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:41:16,129 INFO L168 Benchmark]: Boogie Preprocessor took 20.17 ms. Allocated memory is still 102.8 MB. Free memory was 77.7 MB in the beginning and 76.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:16,135 INFO L168 Benchmark]: RCFGBuilder took 372.65 ms. Allocated memory is still 102.8 MB. Free memory was 76.5 MB in the beginning and 68.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:16,136 INFO L168 Benchmark]: BuchiAutomizer took 2094.90 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 68.6 MB in the beginning and 101.8 MB in the end (delta: -33.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:41:16,136 INFO L168 Benchmark]: Witness Printer took 4.10 ms. Allocated memory is still 134.2 MB. Free memory is still 101.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:41:16,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 77.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.64 ms. Allocated memory is still 102.8 MB. Free memory was 61.6 MB in the beginning and 78.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 77.7 MB in the end (delta: 925.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.17 ms. Allocated memory is still 102.8 MB. Free memory was 77.7 MB in the beginning and 76.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 372.65 ms. Allocated memory is still 102.8 MB. Free memory was 76.5 MB in the beginning and 68.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2094.90 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 68.6 MB in the beginning and 101.8 MB in the end (delta: -33.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.10 ms. Allocated memory is still 134.2 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.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 -2 * y + 2 * x + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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: 12 SDtfs, 12 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:41:16,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb10a3a2-5aba-43c2-9852-e98f30e38c44/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...