./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a273450068a0d5a7644f3536efd5c3c568bd1daf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:03:00,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:00,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:00,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:00,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:00,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:00,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:00,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:00,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:00,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:00,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:00,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:00,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:00,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:00,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:00,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:00,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:00,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:00,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:00,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:00,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:00,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:00,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:00,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:00,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:00,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:00,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:00,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:00,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:00,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:00,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:00,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:00,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:00,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:00,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:00,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:00,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:00,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:00,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:00,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:00,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:00,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:03:00,953 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:00,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:00,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:00,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:00,955 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:00,956 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:03:00,956 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:03:00,956 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:03:00,956 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:03:00,956 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:03:00,957 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:03:00,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:00,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:03:00,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:03:00,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:00,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:03:00,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:03:00,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:03:00,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:00,958 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:03:00,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:00,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:03:00,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:00,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:00,959 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:03:00,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:00,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:03:00,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:00,960 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:03:00,961 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:03:00,962 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_e04085ac-5edd-402b-98ce-5e53d4de467c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a273450068a0d5a7644f3536efd5c3c568bd1daf [2020-11-28 03:03:01,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:01,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:01,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:01,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:01,242 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:01,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2020-11-28 03:03:01,343 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/data/634eafbeb/3d3659c4e2924ff881ac6e2d80e5732a/FLAGdc56a6267 [2020-11-28 03:03:01,970 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:01,971 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2020-11-28 03:03:01,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/data/634eafbeb/3d3659c4e2924ff881ac6e2d80e5732a/FLAGdc56a6267 [2020-11-28 03:03:02,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/data/634eafbeb/3d3659c4e2924ff881ac6e2d80e5732a [2020-11-28 03:03:02,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:02,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:02,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:02,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:02,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:02,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c7a23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02, skipping insertion in model container [2020-11-28 03:03:02,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:02,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:02,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:02,749 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:02,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:02,865 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:02,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02 WrapperNode [2020-11-28 03:03:02,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:02,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:02,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:02,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:02,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:02,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:02,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:02,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:02,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... [2020-11-28 03:03:02,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:02,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:02,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:02,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:02,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/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 [2020-11-28 03:03:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:03:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:03:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:03:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:03,378 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:03,378 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 03:03:03,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:03 BoogieIcfgContainer [2020-11-28 03:03:03,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:03:03,381 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:03:03,381 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:03:03,384 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:03:03,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:03:03,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:03:02" (1/3) ... [2020-11-28 03:03:03,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41c01bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:03, skipping insertion in model container [2020-11-28 03:03:03,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:03:03,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:02" (2/3) ... [2020-11-28 03:03:03,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41c01bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:03, skipping insertion in model container [2020-11-28 03:03:03,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:03:03,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:03" (3/3) ... [2020-11-28 03:03:03,388 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrchr_reverse_alloca.i [2020-11-28 03:03:03,439 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:03:03,439 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:03:03,440 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:03:03,440 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:03:03,440 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:03:03,440 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:03:03,440 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:03:03,440 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:03:03,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-28 03:03:03,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:03:03,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:03,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:03,478 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:03:03,479 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:03:03,479 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:03:03,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-28 03:03:03,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:03:03,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:03,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:03,481 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:03:03,481 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:03:03,489 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet211, main_#t~malloc212.base, main_#t~malloc212.offset, main_#t~nondet213, main_#t~ret214.base, main_#t~ret214.offset, main_~length~0, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211; 8#L372true assume !(main_~length~0 < 1); 12#L372-2true call main_#t~malloc212.base, main_#t~malloc212.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc212.base, main_#t~malloc212.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset, 1);main_~nondetString~0.base, main_~nondetString~0.offset := main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1);cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_~nondetString~0.base, main_~nondetString~0.offset, main_#t~nondet213;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post208.base, cstrchr_#t~post208.offset, cstrchr_#t~mem205, cstrchr_#t~mem206, cstrchr_#t~short207, cstrchr_#t~mem209, cstrchr_#t~ite210.base, cstrchr_#t~ite210.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 9#L366-5true [2020-11-28 03:03:03,489 INFO L796 eck$LassoCheckResult]: Loop: 9#L366-5true call cstrchr_#t~mem205 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short207 := 0 != cstrchr_#t~mem205; 4#L366-1true assume cstrchr_#t~short207;call cstrchr_#t~mem206 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short207 := cstrchr_#t~mem206 != (if cstrchr_~c % 256 <= 127 then cstrchr_~c % 256 else cstrchr_~c % 256 - 256); 6#L366-3true assume !!cstrchr_#t~short207;havoc cstrchr_#t~short207;havoc cstrchr_#t~mem206;havoc cstrchr_#t~mem205;cstrchr_#t~post208.base, cstrchr_#t~post208.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post208.base, cstrchr_#t~post208.offset - 1;havoc cstrchr_#t~post208.base, cstrchr_#t~post208.offset; 9#L366-5true [2020-11-28 03:03:03,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:03,496 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-11-28 03:03:03,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:03,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650630308] [2020-11-28 03:03:03,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:03,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:03,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:03,635 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:03,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:03,638 INFO L82 PathProgramCache]: Analyzing trace with hash 43797, now seen corresponding path program 1 times [2020-11-28 03:03:03,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:03,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673594640] [2020-11-28 03:03:03,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:03,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:03,666 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:03,669 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:03,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:03,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815409, now seen corresponding path program 1 times [2020-11-28 03:03:03,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:03,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108769845] [2020-11-28 03:03:03,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:03,720 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:03,778 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:03,784 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:03,924 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-11-28 03:03:04,185 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-11-28 03:03:04,307 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-11-28 03:03:04,325 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:03:04,326 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:03:04,326 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:03:04,327 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:03:04,327 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:03:04,327 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:04,327 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:03:04,327 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:03:04,328 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr_reverse_alloca.i_Iteration1_Lasso [2020-11-28 03:03:04,328 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:03:04,328 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:03:04,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,635 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-11-28 03:03:04,761 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-11-28 03:03:04,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:04,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:05,381 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-11-28 03:03:05,442 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:03:05,449 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:05,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:05,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:05,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:05,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:05,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:05,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:05,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:05,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:05,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:05,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:05,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:05,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:05,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:05,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:05,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:05,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:05,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:05,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:05,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:05,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:05,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:05,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:05,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:05,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:05,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:05,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:05,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:05,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:05,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:05,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:05,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:05,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:05,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:05,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:05,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:05,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:05,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:05,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:05,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:05,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:05,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:05,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:05,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:05,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:05,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:05,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:05,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:05,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:05,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:05,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:05,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:05,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:05,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:05,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:05,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:05,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:05,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:05,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:05,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:05,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:05,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:05,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:05,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:05,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:05,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:05,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:05,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:05,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:05,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:05,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:05,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:05,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:05,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:05,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:05,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:05,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:05,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:05,870 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:03:06,069 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-28 03:03:06,069 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e04085ac-5edd-402b-98ce-5e53d4de467c/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:06,077 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:06,081 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:03:06,081 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:03:06,081 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s.offset) = 2*ULTIMATE.start_cstrchr_~s.offset + 1 Supporting invariants [] [2020-11-28 03:03:06,129 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-11-28 03:03:06,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:06,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:03:06,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:06,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:03:06,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:06,226 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 [2020-11-28 03:03:06,227 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2020-11-28 03:03:06,270 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 31 states and 39 transitions. Complement of second has 5 states. [2020-11-28 03:03:06,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:03:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:03:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2020-11-28 03:03:06,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 3 letters. [2020-11-28 03:03:06,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:06,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2020-11-28 03:03:06,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:06,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 6 letters. [2020-11-28 03:03:06,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:06,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2020-11-28 03:03:06,278 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:03:06,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2020-11-28 03:03:06,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:03:06,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:03:06,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:03:06,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:03:06,282 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:03:06,282 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:03:06,282 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:03:06,282 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:03:06,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:03:06,282 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:03:06,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:03:06,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:03:06 BoogieIcfgContainer [2020-11-28 03:03:06,290 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:03:06,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:03:06,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:03:06,291 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:03:06,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:03" (3/4) ... [2020-11-28 03:03:06,295 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:03:06,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:03:06,296 INFO L168 Benchmark]: Toolchain (without parser) took 4031.14 ms. Allocated memory was 86.0 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Free memory was 52.2 MB in the beginning and 57.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:06,297 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:06,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.13 ms. Allocated memory is still 86.0 MB. Free memory was 52.1 MB in the beginning and 44.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:06,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.69 ms. Allocated memory is still 86.0 MB. Free memory was 44.5 MB in the beginning and 42.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:06,299 INFO L168 Benchmark]: Boogie Preprocessor took 53.52 ms. Allocated memory is still 86.0 MB. Free memory was 42.7 MB in the beginning and 41.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:06,300 INFO L168 Benchmark]: RCFGBuilder took 407.57 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 41.3 MB in the beginning and 82.8 MB in the end (delta: -41.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:06,300 INFO L168 Benchmark]: BuchiAutomizer took 2909.58 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 82.8 MB in the beginning and 57.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:06,301 INFO L168 Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 132.1 MB. Free memory is still 57.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:06,305 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 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.13 ms. Allocated memory is still 86.0 MB. Free memory was 52.1 MB in the beginning and 44.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.69 ms. Allocated memory is still 86.0 MB. Free memory was 44.5 MB in the beginning and 42.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.52 ms. Allocated memory is still 86.0 MB. Free memory was 42.7 MB in the beginning and 41.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 407.57 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 41.3 MB in the beginning and 82.8 MB in the end (delta: -41.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2909.58 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 82.8 MB in the beginning and 57.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.01 ms. Allocated memory is still 132.1 MB. Free memory is still 57.0 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 * s + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. 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, 25 SDslu, 7 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital149 mio100 ax100 hnf98 lsp95 ukn90 mio100 lsp36 div150 bol100 ite100 ukn100 eq155 hnf73 smp100 dnf784 smp27 tf100 neg95 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...