./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/recursive_list.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/recursive_list.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL --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 52c76a7df26fca079cfc43e405f2f619070583ff933a68f0bba20f0a9dce8e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:43:46,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:43:46,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:43:46,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:43:46,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:43:46,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:43:46,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:43:46,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:43:46,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:43:46,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:43:46,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:43:46,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:43:46,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:43:46,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:43:46,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:43:46,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:43:46,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:43:46,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:43:46,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:43:46,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:43:46,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:43:46,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:43:46,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:43:46,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:43:46,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:43:46,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:43:46,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:43:46,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:43:46,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:43:46,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:43:46,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:43:46,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:43:46,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:43:46,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:43:46,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:43:46,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:43:46,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:43:46,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:43:46,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:43:46,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:43:46,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:43:46,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-19 04:43:46,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:43:46,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:43:46,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:43:46,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:43:46,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:43:46,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:43:46,478 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:43:46,478 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 04:43:46,478 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 04:43:46,478 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 04:43:46,480 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 04:43:46,480 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 04:43:46,480 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 04:43:46,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:43:46,481 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:43:46,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:43:46,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:43:46,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:43:46,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:43:46,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 04:43:46,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 04:43:46,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 04:43:46,483 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:43:46,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:43:46,484 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 04:43:46,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:43:46,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 04:43:46,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:43:46,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:43:46,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:43:46,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:43:46,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:43:46,489 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 04:43:46,490 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_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52c76a7df26fca079cfc43e405f2f619070583ff933a68f0bba20f0a9dce8e14 [2021-11-19 04:43:46,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:43:46,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:43:46,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:43:46,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:43:46,951 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:43:46,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-regression/recursive_list.i [2021-11-19 04:43:47,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/data/26bf8b7a2/df563906f8ef4d6c87fd99e68a607f59/FLAG68a92a91c [2021-11-19 04:43:47,559 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:43:47,560 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/sv-benchmarks/c/ldv-regression/recursive_list.i [2021-11-19 04:43:47,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/data/26bf8b7a2/df563906f8ef4d6c87fd99e68a607f59/FLAG68a92a91c [2021-11-19 04:43:47,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/data/26bf8b7a2/df563906f8ef4d6c87fd99e68a607f59 [2021-11-19 04:43:47,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:43:47,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:43:47,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:43:47,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:43:47,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:43:47,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:43:47" (1/1) ... [2021-11-19 04:43:47,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0a903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:47, skipping insertion in model container [2021-11-19 04:43:47,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:43:47" (1/1) ... [2021-11-19 04:43:47,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:43:47,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:43:48,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/sv-benchmarks/c/ldv-regression/recursive_list.i[409,422] [2021-11-19 04:43:48,186 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:43:48,198 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:43:48,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/sv-benchmarks/c/ldv-regression/recursive_list.i[409,422] [2021-11-19 04:43:48,214 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:43:48,230 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:43:48,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48 WrapperNode [2021-11-19 04:43:48,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:43:48,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:43:48,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:43:48,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:43:48,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,277 INFO L137 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 66 [2021-11-19 04:43:48,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:43:48,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:43:48,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:43:48,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:43:48,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:43:48,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:43:48,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:43:48,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:43:48,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (1/1) ... [2021-11-19 04:43:48,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 04:43:48,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:43:48,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 04:43:48,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 04:43:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:43:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:43:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:43:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:43:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:43:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:43:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:43:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:43:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:43:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:43:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:43:48,528 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:43:48,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:43:48,843 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:43:48,849 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:43:48,850 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 04:43:48,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:43:48 BoogieIcfgContainer [2021-11-19 04:43:48,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:43:48,853 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 04:43:48,853 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 04:43:48,860 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 04:43:48,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:43:48,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 04:43:47" (1/3) ... [2021-11-19 04:43:48,862 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d993d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:43:48, skipping insertion in model container [2021-11-19 04:43:48,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:43:48,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:43:48" (2/3) ... [2021-11-19 04:43:48,863 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d993d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 04:43:48, skipping insertion in model container [2021-11-19 04:43:48,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 04:43:48,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:43:48" (3/3) ... [2021-11-19 04:43:48,865 INFO L388 chiAutomizerObserver]: Analyzing ICFG recursive_list.i [2021-11-19 04:43:48,933 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 04:43:48,934 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 04:43:48,934 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 04:43:48,935 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 04:43:48,935 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 04:43:48,935 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 04:43:48,935 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 04:43:48,935 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 04:43:48,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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) [2021-11-19 04:43:48,985 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 04:43:48,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-19 04:43:48,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 04:43:48 BoogieIcfgContainer [2021-11-19 04:43:48,990 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 04:43:48,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:43:48,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:43:48,991 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:43:48,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:43:48" (3/4) ... [2021-11-19 04:43:48,995 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 04:43:48,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:43:48,999 INFO L158 Benchmark]: Toolchain (without parser) took 1050.70ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 54.0MB in the beginning and 85.0MB in the end (delta: -31.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-19 04:43:49,001 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:43:49,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.88ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 53.8MB in the beginning and 105.9MB in the end (delta: -52.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 04:43:49,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.44ms. Allocated memory is still 130.0MB. Free memory was 105.9MB in the beginning and 104.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:43:49,006 INFO L158 Benchmark]: Boogie Preprocessor took 26.78ms. Allocated memory is still 130.0MB. Free memory was 104.0MB in the beginning and 102.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:43:49,006 INFO L158 Benchmark]: RCFGBuilder took 541.07ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 90.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 04:43:49,008 INFO L158 Benchmark]: BuchiAutomizer took 137.39ms. Allocated memory is still 130.0MB. Free memory was 89.9MB in the beginning and 85.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 04:43:49,009 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 130.0MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:43:49,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.88ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 53.8MB in the beginning and 105.9MB in the end (delta: -52.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.44ms. Allocated memory is still 130.0MB. Free memory was 105.9MB in the beginning and 104.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.78ms. Allocated memory is still 130.0MB. Free memory was 104.0MB in the beginning and 102.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.07ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 90.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 137.39ms. Allocated memory is still 130.0MB. Free memory was 89.9MB in the beginning and 85.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 130.0MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-19 04:43:49,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fbf479e-845f-463b-abfd-6c0831a333a3/bin/uautomizer-ZXIjhQolGL/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