./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/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_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:55:26,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:55:26,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:55:26,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:55:26,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:55:26,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:55:26,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:55:26,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:55:26,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:55:26,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:55:26,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:55:26,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:55:26,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:55:26,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:55:26,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:55:26,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:55:26,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:55:26,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:55:26,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:55:26,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:55:26,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:55:26,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:55:26,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:55:26,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:55:26,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:55:26,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:55:26,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:55:26,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:55:26,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:55:26,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:55:26,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:55:26,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:55:26,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:55:26,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:55:26,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:55:26,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:55:26,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:55:26,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:55:26,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:55:26,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:55:26,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:55:26,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-11-19 04:55:26,329 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:55:26,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:55:26,330 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:55:26,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:55:26,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:55:26,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:55:26,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:55:26,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:55:26,333 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:55:26,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:55:26,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:55:26,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:55:26,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:55:26,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:55:26,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:55:26,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:55:26,336 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 04:55:26,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:55:26,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:55:26,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:55:26,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:55:26,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:55:26,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:55:26,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:55:26,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:55:26,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:55:26,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:55:26,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:55:26,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:55:26,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:55:26,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:55:26,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b793a38f-f373-4a9f-9a3b-430f6101aa66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-19 04:55:26,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:55:26,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:55:26,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:55:26,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:55:26,664 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:55:26,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-19 04:55:26,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/data/c8c2ca36c/5adebd18427e4c4aa059745f248af83d/FLAG8d5ae0a2b [2021-11-19 04:55:27,585 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:55:27,586 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-19 04:55:27,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/data/c8c2ca36c/5adebd18427e4c4aa059745f248af83d/FLAG8d5ae0a2b [2021-11-19 04:55:27,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/data/c8c2ca36c/5adebd18427e4c4aa059745f248af83d [2021-11-19 04:55:27,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:55:27,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:55:27,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:55:27,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:55:27,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:55:27,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:27" (1/1) ... [2021-11-19 04:55:27,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db83de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:27, skipping insertion in model container [2021-11-19 04:55:27,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:27" (1/1) ... [2021-11-19 04:55:27,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:55:27,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:55:28,952 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-19 04:55:28,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c2c5205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28, skipping insertion in model container [2021-11-19 04:55:28,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:55:28,954 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 04:55:28,956 INFO L158 Benchmark]: Toolchain (without parser) took 1286.89ms. Allocated memory is still 123.7MB. Free memory was 89.7MB in the beginning and 82.6MB in the end (delta: 7.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 04:55:28,957 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:55:28,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1283.99ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 82.6MB in the end (delta: 6.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 04:55:28,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 123.7MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1283.99ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 82.6MB in the end (delta: 6.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b793a38f-f373-4a9f-9a3b-430f6101aa66/bin/uautomizer-ZXIjhQolGL/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN