./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G --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 eff30860b93e12e0f427a39d6e133ecae4dea669b3383f2efa9b7561bb59ead3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:06:10,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:06:10,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:06:10,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:06:10,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:06:10,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:06:10,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:06:10,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:06:10,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:06:10,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:06:10,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:06:10,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:06:10,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:06:10,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:06:10,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:06:10,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:06:10,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:06:10,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:06:10,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:06:10,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:06:10,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:06:10,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:06:10,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:06:10,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:06:10,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:06:10,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:06:10,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:06:10,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:06:10,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:06:10,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:06:10,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:06:10,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:06:10,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:06:10,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:06:10,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:06:10,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:06:10,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:06:10,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:06:10,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:06:10,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:06:10,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:06:10,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 13:06:10,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:06:10,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:06:10,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:06:10,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:06:10,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:06:10,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:06:10,526 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:06:10,526 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:06:10,527 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:06:10,527 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:06:10,527 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:06:10,528 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:06:10,528 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:06:10,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:06:10,529 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:06:10,529 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:06:10,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:06:10,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:06:10,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:06:10,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:06:10,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:06:10,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:06:10,531 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:06:10,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:06:10,532 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:06:10,532 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:06:10,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:06:10,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:06:10,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:06:10,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:06:10,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:06:10,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:06:10,535 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:06:10,535 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_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eff30860b93e12e0f427a39d6e133ecae4dea669b3383f2efa9b7561bb59ead3 [2021-11-23 13:06:10,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:06:10,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:06:10,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:06:10,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:06:10,921 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:06:10,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-regression/test11.c [2021-11-23 13:06:10,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/data/613269d0d/3e2d54879ee64f9a8c9c111468c58909/FLAG091fa1375 [2021-11-23 13:06:11,437 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:06:11,438 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/sv-benchmarks/c/ldv-regression/test11.c [2021-11-23 13:06:11,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/data/613269d0d/3e2d54879ee64f9a8c9c111468c58909/FLAG091fa1375 [2021-11-23 13:06:11,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/data/613269d0d/3e2d54879ee64f9a8c9c111468c58909 [2021-11-23 13:06:11,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:06:11,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:06:11,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:06:11,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:06:11,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:06:11,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:11" (1/1) ... [2021-11-23 13:06:11,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668ebee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:11, skipping insertion in model container [2021-11-23 13:06:11,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:11" (1/1) ... [2021-11-23 13:06:11,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:06:11,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:06:12,064 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_28fb3f00-b56c-438d-8ce2-0381d8939aff/sv-benchmarks/c/ldv-regression/test11.c[823,836] [2021-11-23 13:06:12,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:06:12,075 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:06:12,096 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_28fb3f00-b56c-438d-8ce2-0381d8939aff/sv-benchmarks/c/ldv-regression/test11.c[823,836] [2021-11-23 13:06:12,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:06:12,118 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:06:12,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12 WrapperNode [2021-11-23 13:06:12,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:06:12,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:06:12,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:06:12,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:06:12,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,157 INFO L137 Inliner]: procedures = 15, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2021-11-23 13:06:12,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:06:12,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:06:12,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:06:12,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:06:12,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:06:12,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:06:12,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:06:12,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:06:12,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (1/1) ... [2021-11-23 13:06:12,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:06:12,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:06:12,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:06:12,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:06:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:06:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:06:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:06:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:06:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:06:12,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:06:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 13:06:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:06:12,344 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:06:12,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:06:12,532 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:06:12,539 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:06:12,539 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:06:12,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:12 BoogieIcfgContainer [2021-11-23 13:06:12,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:06:12,543 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:06:12,543 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:06:12,553 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:06:12,554 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:06:12,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:06:11" (1/3) ... [2021-11-23 13:06:12,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2afedd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:06:12, skipping insertion in model container [2021-11-23 13:06:12,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:06:12,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:12" (2/3) ... [2021-11-23 13:06:12,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2afedd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:06:12, skipping insertion in model container [2021-11-23 13:06:12,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:06:12,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:12" (3/3) ... [2021-11-23 13:06:12,575 INFO L388 chiAutomizerObserver]: Analyzing ICFG test11.c [2021-11-23 13:06:12,672 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:06:12,672 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:06:12,672 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:06:12,672 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:06:12,672 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:06:12,673 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:06:12,673 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:06:12,673 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:06:12,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2021-11-23 13:06:12,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:06:12,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 13:06:12,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:06:12 BoogieIcfgContainer [2021-11-23 13:06:12,728 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:06:12,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:06:12,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:06:12,730 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:06:12,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:12" (3/4) ... [2021-11-23 13:06:12,734 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:06:12,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:06:12,743 INFO L158 Benchmark]: Toolchain (without parser) took 885.93ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 55.7MB in the beginning and 83.8MB in the end (delta: -28.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-23 13:06:12,745 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 72.3MB in the beginning and 72.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:06:12,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.47ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 55.5MB in the beginning and 102.3MB in the end (delta: -46.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 13:06:12,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.00ms. Allocated memory is still 125.8MB. Free memory was 102.3MB in the beginning and 100.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:06:12,751 INFO L158 Benchmark]: Boogie Preprocessor took 24.18ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 99.7MB in the end (delta: 951.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:06:12,752 INFO L158 Benchmark]: RCFGBuilder took 358.17ms. Allocated memory is still 125.8MB. Free memory was 99.7MB in the beginning and 89.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 13:06:12,753 INFO L158 Benchmark]: BuchiAutomizer took 185.48ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 84.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:06:12,754 INFO L158 Benchmark]: Witness Printer took 9.28ms. Allocated memory is still 125.8MB. Free memory was 84.1MB in the beginning and 83.8MB in the end (delta: 379.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:06:12,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 72.3MB in the beginning and 72.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.47ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 55.5MB in the beginning and 102.3MB in the end (delta: -46.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.00ms. Allocated memory is still 125.8MB. Free memory was 102.3MB in the beginning and 100.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.18ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 99.7MB in the end (delta: 951.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.17ms. Allocated memory is still 125.8MB. Free memory was 99.7MB in the beginning and 89.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 185.48ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 84.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 9.28ms. Allocated memory is still 125.8MB. Free memory was 84.1MB in the beginning and 83.8MB in the end (delta: 379.7kB). 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! [2021-11-23 13:06:12,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fb3f00-b56c-438d-8ce2-0381d8939aff/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE