./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/consecutive-zero-bits-trailing.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/consecutive-zero-bits-trailing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G --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 e4222e48a5f6326740b8d6425e6408b144dcf270d691a094c0c569ebf238f237 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:12:12,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:12:12,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:12:12,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:12:12,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:12:12,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:12:12,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:12:12,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:12:12,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:12:12,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:12:12,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:12:12,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:12:12,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:12:12,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:12:12,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:12:12,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:12:12,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:12:12,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:12:12,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:12:12,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:12:12,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:12:12,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:12:12,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:12:12,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:12:12,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:12:12,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:12:12,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:12:12,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:12:12,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:12:12,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:12:12,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:12:12,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:12:13,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:12:13,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:12:13,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:12:13,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:12:13,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:12:13,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:12:13,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:12:13,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:12:13,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:12:13,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 14:12:13,066 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:12:13,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:12:13,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:12:13,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:12:13,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:12:13,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:12:13,071 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:12:13,072 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:12:13,072 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:12:13,072 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:12:13,074 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:12:13,074 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:12:13,074 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:12:13,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:12:13,075 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:12:13,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:12:13,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:12:13,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:12:13,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:12:13,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:12:13,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:12:13,077 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:12:13,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:12:13,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:12:13,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:12:13,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:12:13,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:12:13,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:12:13,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:12:13,083 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:12:13,083 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4222e48a5f6326740b8d6425e6408b144dcf270d691a094c0c569ebf238f237 [2021-11-23 14:12:13,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:12:13,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:12:13,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:12:13,541 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:12:13,542 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:12:13,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-bwb/consecutive-zero-bits-trailing.i [2021-11-23 14:12:13,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/data/b09f11a25/07da44a1cb8c4353a1df307f6731d7b7/FLAG1a8d01c57 [2021-11-23 14:12:14,171 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:12:14,173 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/sv-benchmarks/c/termination-bwb/consecutive-zero-bits-trailing.i [2021-11-23 14:12:14,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/data/b09f11a25/07da44a1cb8c4353a1df307f6731d7b7/FLAG1a8d01c57 [2021-11-23 14:12:14,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/data/b09f11a25/07da44a1cb8c4353a1df307f6731d7b7 [2021-11-23 14:12:14,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:12:14,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:12:14,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:12:14,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:12:14,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:12:14,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abca17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14, skipping insertion in model container [2021-11-23 14:12:14,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:12:14,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:12:14,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:12:14,829 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:12:14,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:12:14,870 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:12:14,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14 WrapperNode [2021-11-23 14:12:14,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:12:14,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:12:14,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:12:14,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:12:14,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,920 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2021-11-23 14:12:14,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:12:14,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:12:14,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:12:14,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:12:14,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:12:14,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:12:14,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:12:14,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:12:14,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (1/1) ... [2021-11-23 14:12:14,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:12:14,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:12:15,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:12:15,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:12:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:12:15,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:12:15,127 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:12:15,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:12:15,272 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:12:15,282 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:12:15,283 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 14:12:15,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:12:15 BoogieIcfgContainer [2021-11-23 14:12:15,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:12:15,288 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:12:15,288 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:12:15,292 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:12:15,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:12:15,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:12:14" (1/3) ... [2021-11-23 14:12:15,295 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d62b9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:12:15, skipping insertion in model container [2021-11-23 14:12:15,296 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:12:15,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:14" (2/3) ... [2021-11-23 14:12:15,297 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d62b9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:12:15, skipping insertion in model container [2021-11-23 14:12:15,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:12:15,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:12:15" (3/3) ... [2021-11-23 14:12:15,299 INFO L388 chiAutomizerObserver]: Analyzing ICFG consecutive-zero-bits-trailing.i [2021-11-23 14:12:15,379 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:12:15,380 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:12:15,380 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:12:15,381 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:12:15,382 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:12:15,382 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:12:15,382 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:12:15,382 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:12:15,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:12:15,437 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 14:12:15,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 14:12:15,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:12:15 BoogieIcfgContainer [2021-11-23 14:12:15,445 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 14:12:15,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:12:15,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:12:15,448 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:12:15,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:12:15" (3/4) ... [2021-11-23 14:12:15,453 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 14:12:15,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:12:15,458 INFO L158 Benchmark]: Toolchain (without parser) took 917.36ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 46.0MB in the beginning and 74.6MB in the end (delta: -28.7MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2021-11-23 14:12:15,460 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 52.3MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:12:15,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.00ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 45.7MB in the beginning and 90.7MB in the end (delta: -45.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:12:15,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.96ms. Allocated memory is still 113.2MB. Free memory was 90.7MB in the beginning and 89.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:12:15,466 INFO L158 Benchmark]: Boogie Preprocessor took 36.63ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 88.6MB in the end (delta: 746.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:12:15,468 INFO L158 Benchmark]: RCFGBuilder took 326.10ms. Allocated memory is still 113.2MB. Free memory was 88.6MB in the beginning and 79.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:12:15,469 INFO L158 Benchmark]: BuchiAutomizer took 157.28ms. Allocated memory is still 113.2MB. Free memory was 79.6MB in the beginning and 74.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 14:12:15,470 INFO L158 Benchmark]: Witness Printer took 6.54ms. Allocated memory is still 113.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:12:15,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 52.3MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.00ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 45.7MB in the beginning and 90.7MB in the end (delta: -45.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.96ms. Allocated memory is still 113.2MB. Free memory was 90.7MB in the beginning and 89.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.63ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 88.6MB in the end (delta: 746.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.10ms. Allocated memory is still 113.2MB. Free memory was 88.6MB in the beginning and 79.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 157.28ms. Allocated memory is still 113.2MB. Free memory was 79.6MB in the beginning and 74.6MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 6.54ms. Allocated memory is still 113.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 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! [2021-11-23 14:12:15,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19051e8b-9608-4ced-99dc-ceaf832ffefc/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE