./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:15:54,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:15:54,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 21:15:54,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:15:54,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:15:54,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:15:54,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:15:54,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:15:54,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:15:54,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:15:54,851 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:15:54,851 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 21:15:54,852 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 21:15:54,854 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 21:15:54,854 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 21:15:54,855 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 21:15:54,855 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 21:15:54,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:15:54,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 21:15:54,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:15:54,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:15:54,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:15:54,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:15:54,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 21:15:54,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 21:15:54,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 21:15:54,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:15:54,863 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:15:54,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:15:54,864 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 21:15:54,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:15:54,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:15:54,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:15:54,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:15:54,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:15:54,866 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 21:15:54,867 INFO L153 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_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e [2023-11-06 21:15:55,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:15:55,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:15:55,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:15:55,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:15:55,296 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:15:55,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/floats-cbmc-regression/float20.i [2023-11-06 21:15:58,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:15:58,936 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:15:58,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/sv-benchmarks/c/floats-cbmc-regression/float20.i [2023-11-06 21:15:58,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/data/4d29ea0ac/a5bf9c6efe9c45618d563a5771a417fa/FLAGf76ea74b6 [2023-11-06 21:15:58,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/data/4d29ea0ac/a5bf9c6efe9c45618d563a5771a417fa [2023-11-06 21:15:58,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:15:58,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:15:59,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:15:59,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:15:59,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:15:59,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:15:58" (1/1) ... [2023-11-06 21:15:59,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d350f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59, skipping insertion in model container [2023-11-06 21:15:59,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:15:58" (1/1) ... [2023-11-06 21:15:59,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:15:59,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:15:59,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:15:59,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:15:59,315 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:15:59,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59 WrapperNode [2023-11-06 21:15:59,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:15:59,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:15:59,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:15:59,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:15:59,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,355 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 58 [2023-11-06 21:15:59,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:15:59,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:15:59,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:15:59,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:15:59,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:15:59,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:15:59,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:15:59,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:15:59,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (1/1) ... [2023-11-06 21:15:59,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:15:59,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:15:59,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:15:59,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 21:15:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:15:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:15:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:15:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:15:59,562 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:15:59,564 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:15:59,688 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:15:59,696 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:15:59,696 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:15:59,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:59 BoogieIcfgContainer [2023-11-06 21:15:59,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:15:59,700 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 21:15:59,700 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 21:15:59,705 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 21:15:59,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:15:59,706 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 09:15:58" (1/3) ... [2023-11-06 21:15:59,707 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6acc3a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 09:15:59, skipping insertion in model container [2023-11-06 21:15:59,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:15:59,707 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:59" (2/3) ... [2023-11-06 21:15:59,708 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6acc3a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 09:15:59, skipping insertion in model container [2023-11-06 21:15:59,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:15:59,708 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:59" (3/3) ... [2023-11-06 21:15:59,710 INFO L332 chiAutomizerObserver]: Analyzing ICFG float20.i [2023-11-06 21:15:59,800 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 21:15:59,800 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 21:15:59,800 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 21:15:59,800 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 21:15:59,801 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 21:15:59,801 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 21:15:59,801 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 21:15:59,801 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 21:15:59,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 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) [2023-11-06 21:15:59,824 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 21:15:59,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 21:15:59,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 09:15:59 BoogieIcfgContainer [2023-11-06 21:15:59,830 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 21:15:59,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:15:59,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:15:59,832 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:15:59,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:59" (3/4) ... [2023-11-06 21:15:59,835 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:15:59,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:15:59,839 INFO L158 Benchmark]: Toolchain (without parser) took 843.39ms. Allocated memory is still 140.5MB. Free memory was 111.8MB in the beginning and 81.2MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-06 21:15:59,840 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory was 114.6MB in the beginning and 114.5MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:15:59,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.99ms. Allocated memory is still 140.5MB. Free memory was 111.4MB in the beginning and 99.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:15:59,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.14ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 97.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:15:59,842 INFO L158 Benchmark]: Boogie Preprocessor took 26.62ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:15:59,844 INFO L158 Benchmark]: RCFGBuilder took 314.78ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 87.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 21:15:59,845 INFO L158 Benchmark]: BuchiAutomizer took 130.42ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 81.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 21:15:59,846 INFO L158 Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 81.2MB in the end (delta: 397.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:15:59,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory was 114.6MB in the beginning and 114.5MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.99ms. Allocated memory is still 140.5MB. Free memory was 111.4MB in the beginning and 99.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.14ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 97.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.62ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.78ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 87.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 130.42ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 81.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 5.69ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 81.2MB in the end (delta: 397.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 21:15:59,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602141a1-3464-45e2-9069-55ec38bba4b1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE