./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Madrid.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF --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 a1bd7f3201612d4dbbad9fa4198a254c8b8a340584a64011f322e9281c45b868 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:42:35,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:42:35,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:42:35,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:42:35,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:42:35,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:42:35,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:42:35,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:42:35,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:42:35,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:42:35,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:42:35,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:42:35,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:42:35,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:42:35,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:42:35,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:42:35,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:42:35,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:42:35,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:42:35,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:42:35,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:42:35,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:42:35,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:42:35,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:42:35,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:42:35,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:42:35,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:42:35,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:42:35,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:42:35,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:42:35,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:42:35,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:42:35,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:42:35,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:42:35,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:42:35,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:42:35,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:42:35,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:42:35,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:42:35,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:42:35,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:42:35,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 07:42:35,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:42:35,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:42:35,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:42:35,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:42:35,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:42:35,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:42:35,980 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:42:35,980 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:42:35,981 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:42:35,981 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:42:35,981 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:42:35,981 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:42:35,981 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:42:35,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:42:35,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:42:35,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:42:35,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:42:35,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:42:35,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:42:35,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:42:35,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:42:35,989 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:42:35,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:42:35,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:42:35,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:42:35,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:42:35,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:42:35,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:42:35,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:42:35,993 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:42:35,993 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_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bd7f3201612d4dbbad9fa4198a254c8b8a340584a64011f322e9281c45b868 [2021-11-20 07:42:36,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:42:36,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:42:36,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:42:36,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:42:36,339 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:42:36,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-crafted/Madrid.c [2021-11-20 07:42:36,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/data/c4b1d9e6b/f09367382a55443abc15c7c511a7e2ab/FLAGf542d26ed [2021-11-20 07:42:36,826 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:42:36,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/sv-benchmarks/c/termination-crafted/Madrid.c [2021-11-20 07:42:36,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/data/c4b1d9e6b/f09367382a55443abc15c7c511a7e2ab/FLAGf542d26ed [2021-11-20 07:42:37,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/data/c4b1d9e6b/f09367382a55443abc15c7c511a7e2ab [2021-11-20 07:42:37,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:42:37,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:42:37,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:42:37,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:42:37,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:42:37,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd54ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37, skipping insertion in model container [2021-11-20 07:42:37,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:42:37,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:42:37,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:42:37,435 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:42:37,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:42:37,473 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:42:37,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37 WrapperNode [2021-11-20 07:42:37,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:42:37,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:42:37,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:42:37,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:42:37,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,513 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2021-11-20 07:42:37,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:42:37,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:42:37,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:42:37,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:42:37,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:42:37,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:42:37,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:42:37,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:42:37,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (1/1) ... [2021-11-20 07:42:37,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:37,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:37,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:37,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:42:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:42:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:42:37,695 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:42:37,698 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:42:37,757 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:42:37,766 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:42:37,766 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:42:37,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:42:37 BoogieIcfgContainer [2021-11-20 07:42:37,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:42:37,769 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:42:37,769 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:42:37,773 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:42:37,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:42:37,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:42:37" (1/3) ... [2021-11-20 07:42:37,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f0263d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:42:37, skipping insertion in model container [2021-11-20 07:42:37,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:42:37,778 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:37" (2/3) ... [2021-11-20 07:42:37,779 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f0263d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:42:37, skipping insertion in model container [2021-11-20 07:42:37,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:42:37,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:42:37" (3/3) ... [2021-11-20 07:42:37,781 INFO L388 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2021-11-20 07:42:37,843 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:42:37,843 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:42:37,844 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:42:37,844 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:42:37,844 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:42:37,844 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:42:37,844 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:42:37,844 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:42:37,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2021-11-20 07:42:37,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:42:37,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:42:37,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:42:37,888 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 07:42:37,888 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:42:37,888 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:42:37,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2021-11-20 07:42:37,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:42:37,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:42:37,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:42:37,890 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 07:42:37,890 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:42:37,897 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := 7; 7#L14-2true [2021-11-20 07:42:37,897 INFO L793 eck$LassoCheckResult]: Loop: 7#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0#1 := 2; 7#L14-2true [2021-11-20 07:42:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:37,904 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 07:42:37,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:37,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284050115] [2021-11-20 07:42:37,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:37,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:37,982 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:42:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:38,001 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:42:38,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:38,005 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-20 07:42:38,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:38,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507509894] [2021-11-20 07:42:38,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:38,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:38,011 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:42:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:38,015 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:42:38,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:38,017 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-20 07:42:38,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:38,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956296727] [2021-11-20 07:42:38,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:38,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:38,024 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:42:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:38,029 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:42:38,089 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:42:38,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:42:38,090 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:42:38,090 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:42:38,090 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:42:38,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:38,091 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:42:38,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:42:38,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2021-11-20 07:42:38,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:42:38,091 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:42:38,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:42:38,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:42:38,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:42:38,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:42:38,215 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:42:38,216 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:42:38,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:38,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:38,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:38,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:42:38,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:38,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:42:38,265 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:42:38,265 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:42:38,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:38,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:38,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:38,306 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:38,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:42:38,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:42:38,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:38,331 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:42:38,332 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:42:38,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:38,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:38,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:38,368 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:38,379 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:42:38,379 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:38,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:42:38,406 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:42:38,407 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:42:38,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-20 07:42:38,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:38,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:38,434 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:38,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:42:38,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:42:38,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:38,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:38,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:38,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:38,477 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:38,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:42:38,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:42:38,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:38,549 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:42:38,549 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=-7}, {ULTIMATE.start_main_~x~0#1=7}, {ULTIMATE.start_main_~x~0#1=-5}] Lambdas: [0, 0, 0] Nus: [0, 0] [2021-11-20 07:42:38,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:38,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-20 07:42:38,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-20 07:42:38,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-20 07:42:38,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-20 07:42:38,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-20 07:42:38,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-20 07:42:38,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:42:38 BoogieIcfgContainer [2021-11-20 07:42:38,606 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:42:38,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:42:38,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:42:38,607 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:42:38,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:42:37" (3/4) ... [2021-11-20 07:42:38,611 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-20 07:42:38,655 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:42:38,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:42:38,663 INFO L158 Benchmark]: Toolchain (without parser) took 1405.82ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 60.7MB in the beginning and 92.5MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:42:38,663 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:42:38,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.30ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 74.8MB in the end (delta: -14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:42:38,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.35ms. Allocated memory is still 96.5MB. Free memory was 74.8MB in the beginning and 73.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:42:38,665 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 96.5MB. Free memory was 73.6MB in the beginning and 72.7MB in the end (delta: 926.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:42:38,665 INFO L158 Benchmark]: RCFGBuilder took 223.09ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 65.6MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:42:38,666 INFO L158 Benchmark]: BuchiAutomizer took 837.30ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 65.4MB in the beginning and 94.3MB in the end (delta: -28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-20 07:42:38,666 INFO L158 Benchmark]: Witness Printer took 47.90ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 92.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:42:38,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.30ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 74.8MB in the end (delta: -14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.35ms. Allocated memory is still 96.5MB. Free memory was 74.8MB in the beginning and 73.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 96.5MB. Free memory was 73.6MB in the beginning and 72.7MB in the end (delta: 926.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 223.09ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 65.6MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 837.30ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 65.4MB in the beginning and 94.3MB in the end (delta: -28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 47.90ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 92.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital6 mio100 ax333 hnf100 lsp30 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq233 hnf100 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. [2021-11-20 07:42:38,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-20 07:42:38,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-20 07:42:38,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-20 07:42:38,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-20 07:42:38,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-20 07:42:38,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-20 07:42:38,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-20 07:42:38,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-20 07:42:38,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-20 07:42:38,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-20 07:42:38,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-20 07:42:38,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {x=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, \result=0} State at position 1 is {x=7, ~unnamed0~0~true=1, ~unnamed0~0~false=0, \result=0} For i>1, the state at position i is {x=7 + sum_{k=0}^i -7*0^k + 7*0^k + -5*0^k, ~unnamed0~0~true=1 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint 3GEVs Lambdas: [0, 0, 0] Mus: [0, 0] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] x = 7 Loop: [L14] COND TRUE \read(true) [L15] x = 2 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-20 07:42:38,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ade82e9-ce92-4bda-b66e-80142ba82ff7/bin/uautomizer-DQz5hQGWxF/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)