./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3 --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 9d2a5c2639fdb47500b8b9a56bc210885f491162 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:52:07,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:52:07,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:52:07,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:52:07,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:52:07,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:52:07,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:52:07,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:52:07,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:52:07,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:52:07,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:52:07,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:52:07,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:52:07,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:52:07,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:52:07,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:52:07,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:52:07,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:52:07,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:52:07,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:52:07,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:52:07,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:52:07,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:52:07,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:52:07,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:52:07,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:52:07,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:52:07,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:52:07,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:52:07,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:52:07,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:52:07,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:52:07,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:52:07,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:52:07,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:52:07,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:52:07,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:52:07,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:52:07,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:52:07,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:52:07,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:52:07,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 19:52:07,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:52:07,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:52:07,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:52:07,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:52:07,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:52:07,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:52:07,505 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:52:07,506 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:52:07,506 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:52:07,507 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:52:07,507 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:52:07,508 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:52:07,508 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:52:07,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:52:07,509 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:52:07,510 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:52:07,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:52:07,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:52:07,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:52:07,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:52:07,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:52:07,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:52:07,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:52:07,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:52:07,514 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:52:07,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:52:07,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:52:07,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:52:07,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:52:07,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:52:07,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:52:07,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:52:07,518 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:52:07,518 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_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d2a5c2639fdb47500b8b9a56bc210885f491162 [2021-10-15 19:52:07,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:52:07,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:52:07,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:52:07,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:52:07,985 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:52:07,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-regression/nested_structure-1.i [2021-10-15 19:52:08,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/data/0a457d84f/f239f780aa214d269e21979ea67d60bf/FLAGff4bbc728 [2021-10-15 19:52:08,700 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:52:08,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/sv-benchmarks/c/ldv-regression/nested_structure-1.i [2021-10-15 19:52:08,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/data/0a457d84f/f239f780aa214d269e21979ea67d60bf/FLAGff4bbc728 [2021-10-15 19:52:09,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/data/0a457d84f/f239f780aa214d269e21979ea67d60bf [2021-10-15 19:52:09,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:52:09,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:52:09,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:52:09,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:52:09,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:52:09,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651b1b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09, skipping insertion in model container [2021-10-15 19:52:09,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:52:09,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:52:09,327 WARN L228 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_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/sv-benchmarks/c/ldv-regression/nested_structure-1.i[303,316] [2021-10-15 19:52:09,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:52:09,400 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:52:09,417 WARN L228 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_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/sv-benchmarks/c/ldv-regression/nested_structure-1.i[303,316] [2021-10-15 19:52:09,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:52:09,452 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:52:09,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09 WrapperNode [2021-10-15 19:52:09,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:52:09,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:52:09,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:52:09,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:52:09,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:52:09,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:52:09,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:52:09,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:52:09,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:52:09,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:52:09,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:52:09,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:52:09,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (1/1) ... [2021-10-15 19:52:09,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:52:09,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:52:09,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:52:09,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:52:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:52:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:52:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:52:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:52:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:52:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:52:09,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:52:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:52:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:52:10,045 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:52:10,045 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-15 19:52:10,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:52:10 BoogieIcfgContainer [2021-10-15 19:52:10,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:52:10,049 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:52:10,059 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:52:10,063 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:52:10,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:52:10,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:52:09" (1/3) ... [2021-10-15 19:52:10,077 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fcb4405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:52:10, skipping insertion in model container [2021-10-15 19:52:10,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:52:10,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:52:09" (2/3) ... [2021-10-15 19:52:10,078 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fcb4405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:52:10, skipping insertion in model container [2021-10-15 19:52:10,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:52:10,079 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:52:10" (3/3) ... [2021-10-15 19:52:10,081 INFO L389 chiAutomizerObserver]: Analyzing ICFG nested_structure-1.i [2021-10-15 19:52:10,175 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:52:10,175 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:52:10,176 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:52:10,176 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:52:10,176 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:52:10,176 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:52:10,177 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:52:10,177 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:52:10,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:52:10,225 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:52:10,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:52:10,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:52:10 BoogieIcfgContainer [2021-10-15 19:52:10,232 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:52:10,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:52:10,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:52:10,241 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:52:10,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:52:10" (3/4) ... [2021-10-15 19:52:10,246 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:52:10,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:52:10,250 INFO L168 Benchmark]: Toolchain (without parser) took 1208.04 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 55.3 MB in the end (delta: 2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:52:10,253 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 98.6 MB. Free memory is still 73.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:52:10,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.54 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 74.7 MB in the end (delta: -16.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:52:10,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.56 ms. Allocated memory is still 98.6 MB. Free memory was 74.3 MB in the beginning and 73.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:52:10,261 INFO L168 Benchmark]: Boogie Preprocessor took 47.57 ms. Allocated memory is still 98.6 MB. Free memory was 73.0 MB in the beginning and 71.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:52:10,263 INFO L168 Benchmark]: RCFGBuilder took 479.67 ms. Allocated memory is still 98.6 MB. Free memory was 71.8 MB in the beginning and 60.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:52:10,264 INFO L168 Benchmark]: BuchiAutomizer took 182.91 ms. Allocated memory is still 98.6 MB. Free memory was 60.8 MB in the beginning and 55.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:52:10,266 INFO L168 Benchmark]: Witness Printer took 6.38 ms. Allocated memory is still 98.6 MB. Free memory was 55.7 MB in the beginning and 55.3 MB in the end (delta: 387.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:52:10,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 98.6 MB. Free memory is still 73.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 402.54 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 74.7 MB in the end (delta: -16.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.56 ms. Allocated memory is still 98.6 MB. Free memory was 74.3 MB in the beginning and 73.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.57 ms. Allocated memory is still 98.6 MB. Free memory was 73.0 MB in the beginning and 71.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 479.67 ms. Allocated memory is still 98.6 MB. Free memory was 71.8 MB in the beginning and 60.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 182.91 ms. Allocated memory is still 98.6 MB. Free memory was 60.8 MB in the beginning and 55.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 6.38 ms. Allocated memory is still 98.6 MB. Free memory was 55.7 MB in the beginning and 55.3 MB in the end (delta: 387.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * 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: No data available 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! [2021-10-15 19:52:10,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384e8322-13e4-4fa4-8c3a-ab5d6a0cb7b2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...