./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/display-bit1.i --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_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/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_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/display-bit1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/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_a884c92e-078e-450d-be09-86b07709a491/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 1b9a08886a56ed1f5b1987fef70463691f86d0e26c09f07ffd7b40b2019e3a8a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:45:14,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:45:14,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:45:14,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:45:14,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:45:14,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:45:14,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:45:14,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:45:14,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:45:14,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:45:14,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:45:14,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:45:14,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:45:14,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:45:14,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:45:14,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:45:14,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:45:14,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:45:14,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:45:14,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:45:14,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:45:14,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:45:14,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:45:14,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:45:14,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:45:14,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:45:14,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:45:14,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:45:14,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:45:14,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:45:14,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:45:14,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:45:14,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:45:14,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:45:14,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:45:14,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:45:14,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:45:14,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:45:14,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:45:14,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:45:14,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:45:14,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:45:14,597 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:45:14,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:45:14,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:45:14,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:45:14,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:45:14,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:45:14,600 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:45:14,601 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:45:14,601 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:45:14,601 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:45:14,601 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:45:14,602 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:45:14,602 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:45:14,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:45:14,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:45:14,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:45:14,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:45:14,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:45:14,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:45:14,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:45:14,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:45:14,605 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:45:14,605 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:45:14,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:45:14,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:45:14,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:45:14,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:45:14,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:45:14,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:45:14,608 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:45:14,608 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_a884c92e-078e-450d-be09-86b07709a491/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b9a08886a56ed1f5b1987fef70463691f86d0e26c09f07ffd7b40b2019e3a8a [2021-11-20 06:45:14,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:45:14,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:45:14,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:45:14,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:45:14,979 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:45:14,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-bwb/display-bit1.i [2021-11-20 06:45:15,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/data/c092dad0e/103cec8fe3f84602b9925b47857ac861/FLAG2fda87196 [2021-11-20 06:45:15,871 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:45:15,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/sv-benchmarks/c/termination-bwb/display-bit1.i [2021-11-20 06:45:15,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/data/c092dad0e/103cec8fe3f84602b9925b47857ac861/FLAG2fda87196 [2021-11-20 06:45:16,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/data/c092dad0e/103cec8fe3f84602b9925b47857ac861 [2021-11-20 06:45:16,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:45:16,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:45:16,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:45:16,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:45:16,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:45:16,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d865132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16, skipping insertion in model container [2021-11-20 06:45:16,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:45:16,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:45:16,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:16,583 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:45:16,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:16,673 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:45:16,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16 WrapperNode [2021-11-20 06:45:16,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:45:16,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:16,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:45:16,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:45:16,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,728 INFO L137 Inliner]: procedures = 88, calls = 3, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-20 06:45:16,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:16,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:45:16,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:45:16,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:45:16,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:45:16,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:45:16,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:45:16,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:45:16,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (1/1) ... [2021-11-20 06:45:16,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:16,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:16,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:45:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-11-20 06:45:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:45:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:45:17,008 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:45:17,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:45:17,120 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:45:17,129 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:45:17,129 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:45:17,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:17 BoogieIcfgContainer [2021-11-20 06:45:17,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:45:17,133 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:45:17,133 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:45:17,137 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:45:17,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:45:17,139 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:45:16" (1/3) ... [2021-11-20 06:45:17,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33014fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:45:17, skipping insertion in model container [2021-11-20 06:45:17,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:45:17,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:16" (2/3) ... [2021-11-20 06:45:17,142 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33014fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:45:17, skipping insertion in model container [2021-11-20 06:45:17,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:45:17,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:17" (3/3) ... [2021-11-20 06:45:17,144 INFO L388 chiAutomizerObserver]: Analyzing ICFG display-bit1.i [2021-11-20 06:45:17,232 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:45:17,232 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:45:17,233 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:45:17,233 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:45:17,233 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:45:17,233 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:45:17,233 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:45:17,233 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:45:17,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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 06:45:17,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:45:17,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:17,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:17,323 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:45:17,323 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:45:17,323 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:45:17,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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 06:45:17,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:45:17,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:17,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:17,326 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:45:17,326 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:45:17,334 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~number1~0 := 65535;~mask~0 := 1;~x~0 := 0;~c~0 := 1;~y~0 := 0; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_~displayMask~0#1;main_~displayMask~0#1 := 2147483648; 4#L277-2true [2021-11-20 06:45:17,335 INFO L793 eck$LassoCheckResult]: Loop: 4#L277-2true assume !!(~c~0 <= 32);~number1~0 := 2 * ~number1~0; 6#L279true assume !(0 == (if ~c~0 < 0 && 0 != ~c~0 % 8 then ~c~0 % 8 - 8 else ~c~0 % 8)); 8#L279-2true ~mask~0 := ~bitwiseAnd(~mask~0, 1);~c~0 := ~c~0 + ~mask~0; 4#L277-2true [2021-11-20 06:45:17,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:17,371 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 06:45:17,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:17,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36582707] [2021-11-20 06:45:17,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:17,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:17,506 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:17,535 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:17,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:17,540 INFO L85 PathProgramCache]: Analyzing trace with hash 40876, now seen corresponding path program 1 times [2021-11-20 06:45:17,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:17,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383821086] [2021-11-20 06:45:17,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:17,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:17,573 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:17,589 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:17,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:17,592 INFO L85 PathProgramCache]: Analyzing trace with hash 28699818, now seen corresponding path program 1 times [2021-11-20 06:45:17,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:17,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749201877] [2021-11-20 06:45:17,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:17,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:17,612 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:17,640 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:17,869 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:45:17,870 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:45:17,870 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:45:17,870 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:45:17,870 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:45:17,871 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:17,871 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:45:17,871 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:45:17,871 INFO L133 ssoRankerPreferences]: Filename of dumped script: display-bit1.i_Iteration1_Lasso [2021-11-20 06:45:17,871 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:45:17,872 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:45:17,897 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 06:45:17,909 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 06:45:17,912 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 06:45:17,918 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 06:45:17,922 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 06:45:17,932 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 06:45:17,935 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 06:45:18,204 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:45:18,205 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:45:18,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:18,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:18,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:18,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:45:18,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:45:18,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:45:18,269 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:45:18,269 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~y~0=0} Honda state: {~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:45:18,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:18,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:18,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:18,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:18,349 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:45:18,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:45:18,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:45:18,378 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:45:18,379 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret3#1=0} Honda state: {ULTIMATE.start_main_#t~ret3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:45:18,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:18,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:18,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:18,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:18,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:45:18,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:45:18,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:45:18,466 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:45:18,466 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~x~0=0} Honda state: {~x~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:45:18,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:18,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:18,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:18,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:18,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:45:18,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:45:18,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:45:18,558 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:45:18,559 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~displayMask~0#1=0} Honda state: {ULTIMATE.start_main_~displayMask~0#1=2147483648} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:45:18,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:18,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:18,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:18,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:18,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:45:18,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:45:18,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:45:18,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:18,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:18,714 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:18,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:45:18,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:45:18,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:45:19,245 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:45:19,246 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~number1~0=0} Honda state: {~number1~0=65535} Generalized eigenvectors: [{~number1~0=5751}, {~number1~0=-47}, {~number1~0=59831}] Lambdas: [2, 1275, 2] Nus: [0, 1] [2021-11-20 06:45:19,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:19,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:19,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:19,294 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:19,302 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:45:19,302 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:45:19,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:45:19,326 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:45:19,326 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 06:45:19,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:19,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:19,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:19,375 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:19,382 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:45:19,382 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:45:19,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:45:19,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:19,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:19,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:19,464 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:19,471 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:45:19,471 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:45:19,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:45:19,610 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:45:19,610 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~mask~0=0, ~c~0=0} Honda state: {~mask~0=1, ~c~0=1} Generalized eigenvectors: [{~mask~0=-4, ~c~0=-8}, {~mask~0=3, ~c~0=0}, {~mask~0=-8, ~c~0=0}] Lambdas: [2, 0, 0] Nus: [0, 0] [2021-11-20 06:45:19,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:19,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:45:19 BoogieIcfgContainer [2021-11-20 06:45:19,653 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:45:19,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:45:19,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:45:19,654 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:45:19,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:17" (3/4) ... [2021-11-20 06:45:19,659 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:45:19,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:45:19,662 INFO L158 Benchmark]: Toolchain (without parser) took 3531.71ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 66.3MB in the beginning and 114.1MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:45:19,662 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory was 83.0MB in the beginning and 82.9MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:45:19,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.84ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 79.1MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:45:19,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.80ms. Allocated memory is still 107.0MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:45:19,665 INFO L158 Benchmark]: Boogie Preprocessor took 33.24ms. Allocated memory is still 107.0MB. Free memory was 77.1MB in the beginning and 76.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:45:19,666 INFO L158 Benchmark]: RCFGBuilder took 360.39ms. Allocated memory is still 107.0MB. Free memory was 76.1MB in the beginning and 67.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:45:19,667 INFO L158 Benchmark]: BuchiAutomizer took 2520.08ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 67.2MB in the beginning and 114.1MB in the end (delta: -46.8MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2021-11-20 06:45:19,667 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 146.8MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:45:19,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory was 83.0MB in the beginning and 82.9MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.84ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 79.1MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.80ms. Allocated memory is still 107.0MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.24ms. Allocated memory is still 107.0MB. Free memory was 77.1MB in the beginning and 76.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.39ms. Allocated memory is still 107.0MB. Free memory was 76.1MB in the beginning and 67.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2520.08ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 67.2MB in the beginning and 114.1MB in the end (delta: -46.8MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 146.8MB. Free memory is still 114.1MB. 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 into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. 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: inital39 mio100 ax100 hnf100 lsp56 ukn100 mio100 lsp100 div268 bol100 ite100 ukn100 eq157 hnf59 smp87 dnf100 smp100 tf100 neg97 sie104 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: mask & 1 [282] (Reason bitwiseAnd) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;~number1~0 := 65535;~mask~0 := 1;~x~0 := 0;~c~0 := 1;~y~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_~displayMask~0#1;main_~displayMask~0#1 := 2147483648;" Loop: "assume !!(~c~0 <= 32);~number1~0 := 2 * ~number1~0;" "assume !(0 == (if ~c~0 < 0 && 0 != ~c~0 % 8 then ~c~0 % 8 - 8 else ~c~0 % 8));" "~mask~0 := ~bitwiseAnd(~mask~0, 1);~c~0 := ~c~0 + ~mask~0;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 06:45:19,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a884c92e-078e-450d-be09-86b07709a491/bin/uautomizer-DQz5hQGWxF/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN