./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a95becdce338721d614c9013a3a26f64997ee0d7 ............................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/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 --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:04:55,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:04:55,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:04:55,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:04:55,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:04:55,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:04:55,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:04:55,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:04:55,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:04:55,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:04:55,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:04:55,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:04:55,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:04:55,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:04:55,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:04:55,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:04:55,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:04:55,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:04:55,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:04:55,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:04:55,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:04:55,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:04:55,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:04:55,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:04:55,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:04:55,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:04:55,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:04:55,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:04:55,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:04:55,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:04:55,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:04:55,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:04:55,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:04:55,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:04:55,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:04:55,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:04:55,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:04:55,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:04:55,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:04:55,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:04:55,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:04:55,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-29 20:04:55,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:04:55,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:04:55,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:04:55,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:04:55,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:04:55,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:04:55,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:04:55,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:04:55,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:04:55,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:04:55,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:04:55,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:04:55,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:04:55,529 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 20:04:55,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:04:55,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:04:55,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:04:55,530 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:04:55,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:04:55,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:04:55,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:04:55,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:04:55,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:04:55,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:04:55,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:04:55,533 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:04:55,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:04:55,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:04:55,534 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-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a95becdce338721d614c9013a3a26f64997ee0d7 [2020-11-29 20:04:55,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:04:55,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:04:55,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:04:55,944 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:04:55,945 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:04:55,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2020-11-29 20:04:56,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/data/3f0166531/fda0fd08388b484b825b8c8022744f60/FLAG792b3bc81 [2020-11-29 20:04:56,991 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:04:56,991 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2020-11-29 20:04:57,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/data/3f0166531/fda0fd08388b484b825b8c8022744f60/FLAG792b3bc81 [2020-11-29 20:04:57,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a0c6b6ba-07d0-4ed1-afa7-f8edebf0fc50/bin/ukojak/data/3f0166531/fda0fd08388b484b825b8c8022744f60 [2020-11-29 20:04:57,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:04:57,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:04:57,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:04:57,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:04:57,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:04:57,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:04:57" (1/1) ... [2020-11-29 20:04:57,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696b9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:57, skipping insertion in model container [2020-11-29 20:04:57,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:04:57" (1/1) ... [2020-11-29 20:04:57,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:04:57,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:04:58,914 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 [2020-11-29 20:04:58,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78300ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:58, skipping insertion in model container [2020-11-29 20:04:58,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:04:58,916 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 20:04:58,918 INFO L168 Benchmark]: Toolchain (without parser) took 1843.84 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 43.3 MB in the end (delta: 26.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:04:58,919 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:04:58,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1840.91 ms. Allocated memory is still 100.7 MB. Free memory was 69.1 MB in the beginning and 43.3 MB in the end (delta: 25.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:04:58,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1840.91 ms. Allocated memory is still 100.7 MB. Free memory was 69.1 MB in the beginning and 43.3 MB in the end (delta: 25.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * 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...