./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_4.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/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 32bit --witnessprinter.graph.data.programhash cf11ae0ce80f2ff20585fcb052cccfcf6fefbf1f .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:12:11,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:12:11,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:12:11,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:12:11,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:12:11,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:12:11,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:12:11,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:12:11,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:12:11,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:12:11,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:12:11,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:12:11,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:12:11,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:12:11,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:12:11,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:12:11,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:12:11,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:12:11,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:12:11,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:12:11,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:12:11,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:12:11,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:12:11,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:12:11,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:12:11,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:12:11,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:12:11,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:12:11,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:12:11,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:12:11,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:12:11,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:12:11,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:12:11,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:12:11,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:12:11,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:12:11,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:12:11,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:12:11,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:12:11,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:12:11,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:12:11,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:12:11,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:12:11,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:12:11,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:12:11,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:12:11,932 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:12:11,932 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:12:11,933 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:12:11,933 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:12:11,933 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:12:11,933 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:12:11,935 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:12:11,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:12:11,936 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:12:11,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:12:11,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:12:11,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:12:11,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:12:11,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:12:11,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:12:11,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:12:11,938 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:12:11,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:12:11,938 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:12:11,939 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:12:11,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:12:11,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:12:11,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:12:11,940 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:12:11,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:12:11,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:12:11,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:12:11,943 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:12:11,945 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:12:11,945 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-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf11ae0ce80f2ff20585fcb052cccfcf6fefbf1f [2020-11-30 00:12:12,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:12:12,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:12:12,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:12:12,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:12:12,351 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:12:12,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/../../sv-benchmarks/c/loops/while_infinite_loop_4.c [2020-11-30 00:12:12,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/data/8784f5a9b/15204790a1fb41f4b72030336a57717d/FLAGc2481258c [2020-11-30 00:12:13,189 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:12:13,191 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/sv-benchmarks/c/loops/while_infinite_loop_4.c [2020-11-30 00:12:13,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/data/8784f5a9b/15204790a1fb41f4b72030336a57717d/FLAGc2481258c [2020-11-30 00:12:13,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/bin/uautomizer/data/8784f5a9b/15204790a1fb41f4b72030336a57717d [2020-11-30 00:12:13,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:12:13,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:12:13,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:12:13,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:12:13,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:12:13,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456b1080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13, skipping insertion in model container [2020-11-30 00:12:13,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:12:13,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:12:13,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:12:13,821 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:12:13,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:12:13,872 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:12:13,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13 WrapperNode [2020-11-30 00:12:13,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:12:13,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:12:13,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:12:13,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:12:13,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:12:13,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:12:13,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:12:13,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:12:13,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... [2020-11-30 00:12:13,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:12:13,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:12:13,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:12:13,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:12:13,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ca65f0b-26ac-438a-a962-95c3d3c0014c/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 [2020-11-30 00:12:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:12:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:12:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:12:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:12:14,625 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:12:14,625 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-30 00:12:14,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:14 BoogieIcfgContainer [2020-11-30 00:12:14,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:12:14,629 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:12:14,630 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:12:14,634 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:12:14,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:12:14,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:12:13" (1/3) ... [2020-11-30 00:12:14,638 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46a96dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:12:14, skipping insertion in model container [2020-11-30 00:12:14,638 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:12:14,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:13" (2/3) ... [2020-11-30 00:12:14,639 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46a96dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:12:14, skipping insertion in model container [2020-11-30 00:12:14,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:12:14,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:14" (3/3) ... [2020-11-30 00:12:14,642 INFO L373 chiAutomizerObserver]: Analyzing ICFG while_infinite_loop_4.c [2020-11-30 00:12:14,727 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:12:14,728 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:12:14,728 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:12:14,728 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:12:14,728 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:12:14,728 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:12:14,729 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:12:14,729 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:12:14,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-30 00:12:14,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-30 00:12:14,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:12:14,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:12:14,791 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:12:14,792 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 00:12:14,792 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:12:14,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-30 00:12:14,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-30 00:12:14,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:12:14,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:12:14,798 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:12:14,798 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 00:12:14,808 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 7#L-1true havoc main_#res; 18#L6-2true [2020-11-30 00:12:14,809 INFO L796 eck$LassoCheckResult]: Loop: 18#L6-2true assume !false; 3#L16loopEntrytrue assume false; 17#L16-2true __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 5#L6true assume !(0 == __VERIFIER_assert_~cond); 18#L6-2true [2020-11-30 00:12:14,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:14,821 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-30 00:12:14,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:12:14,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436154761] [2020-11-30 00:12:14,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:12:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:14,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:15,039 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:15,080 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:12:15,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:15,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1269329, now seen corresponding path program 1 times [2020-11-30 00:12:15,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:12:15,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818312233] [2020-11-30 00:12:15,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:12:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:15,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:15,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818312233] [2020-11-30 00:12:15,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:12:15,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:12:15,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692752638] [2020-11-30 00:12:15,155 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:12:15,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:12:15,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:12:15,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:12:15,181 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 2 states. [2020-11-30 00:12:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:12:15,190 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2020-11-30 00:12:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:12:15,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 7 transitions. [2020-11-30 00:12:15,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 00:12:15,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 6 transitions. [2020-11-30 00:12:15,201 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-11-30 00:12:15,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-11-30 00:12:15,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2020-11-30 00:12:15,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:12:15,203 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-30 00:12:15,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2020-11-30 00:12:15,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-11-30 00:12:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-30 00:12:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-11-30 00:12:15,240 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-30 00:12:15,240 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-30 00:12:15,240 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:12:15,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2020-11-30 00:12:15,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 00:12:15,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:12:15,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:12:15,243 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:12:15,243 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 00:12:15,244 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 31#L-1 havoc main_#res; 32#L6-2 [2020-11-30 00:12:15,244 INFO L796 eck$LassoCheckResult]: Loop: 32#L6-2 assume !false; 34#L16loopEntry assume !false;~x~0 := 1; 35#L16-2 __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 36#L6 assume !(0 == __VERIFIER_assert_~cond); 32#L6-2 [2020-11-30 00:12:15,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:15,246 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2020-11-30 00:12:15,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:12:15,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996164499] [2020-11-30 00:12:15,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:12:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:15,286 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:15,319 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:15,333 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:12:15,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:15,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1271251, now seen corresponding path program 1 times [2020-11-30 00:12:15,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:12:15,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817028298] [2020-11-30 00:12:15,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:12:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:15,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817028298] [2020-11-30 00:12:15,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:12:15,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:12:15,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410933227] [2020-11-30 00:12:15,443 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:12:15,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:12:15,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:12:15,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:12:15,445 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 4 states. [2020-11-30 00:12:15,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:12:15,491 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2020-11-30 00:12:15,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:12:15,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 5 transitions. [2020-11-30 00:12:15,492 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:12:15,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2020-11-30 00:12:15,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:12:15,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:12:15,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:12:15,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:12:15,493 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:12:15,494 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:12:15,494 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:12:15,494 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:12:15,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:12:15,494 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:12:15,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:12:15,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:12:15 BoogieIcfgContainer [2020-11-30 00:12:15,504 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:12:15,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:12:15,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:12:15,505 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:12:15,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:14" (3/4) ... [2020-11-30 00:12:15,510 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:12:15,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:12:15,514 INFO L168 Benchmark]: Toolchain (without parser) took 1973.13 ms. Allocated memory is still 125.8 MB. Free memory was 95.8 MB in the beginning and 62.7 MB in the end (delta: 33.1 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:15,516 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:12:15,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.41 ms. Allocated memory is still 125.8 MB. Free memory was 95.5 MB in the beginning and 101.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:15,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.47 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 100.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:12:15,521 INFO L168 Benchmark]: Boogie Preprocessor took 24.93 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 99.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:15,522 INFO L168 Benchmark]: RCFGBuilder took 678.86 ms. Allocated memory is still 125.8 MB. Free memory was 99.1 MB in the beginning and 88.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:15,523 INFO L168 Benchmark]: BuchiAutomizer took 874.76 ms. Allocated memory is still 125.8 MB. Free memory was 88.3 MB in the beginning and 63.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:15,527 INFO L168 Benchmark]: Witness Printer took 5.58 ms. Allocated memory is still 125.8 MB. Free memory was 63.1 MB in the beginning and 62.7 MB in the end (delta: 369.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:12:15,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 330.41 ms. Allocated memory is still 125.8 MB. Free memory was 95.5 MB in the beginning and 101.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.47 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 100.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.93 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 99.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 678.86 ms. Allocated memory is still 125.8 MB. Free memory was 99.1 MB in the beginning and 88.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 874.76 ms. Allocated memory is still 125.8 MB. Free memory was 88.3 MB in the beginning and 63.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.58 ms. Allocated memory is still 125.8 MB. Free memory was 63.1 MB in the beginning and 62.7 MB in the end (delta: 369.7 kB). 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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...