./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/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 2bf2cfc7ea332e8eca11efb613b646b7ce2753ab ............................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/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 0.2.0-69874e2 [2020-12-03 10:58:17,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 10:58:17,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 10:58:17,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 10:58:17,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 10:58:17,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 10:58:17,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 10:58:17,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 10:58:17,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 10:58:17,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 10:58:17,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 10:58:17,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 10:58:17,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 10:58:17,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 10:58:17,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 10:58:17,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 10:58:17,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 10:58:17,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 10:58:17,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 10:58:17,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 10:58:17,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 10:58:17,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 10:58:17,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 10:58:17,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 10:58:17,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 10:58:17,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 10:58:17,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 10:58:17,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 10:58:17,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 10:58:17,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 10:58:17,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 10:58:17,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 10:58:17,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 10:58:17,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 10:58:17,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 10:58:17,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 10:58:17,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 10:58:17,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 10:58:17,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 10:58:17,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 10:58:17,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 10:58:17,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-03 10:58:17,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 10:58:17,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 10:58:17,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 10:58:17,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 10:58:17,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 10:58:17,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 10:58:17,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 10:58:17,413 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 10:58:17,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 10:58:17,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 10:58:17,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 10:58:17,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 10:58:17,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 10:58:17,415 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 10:58:17,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 10:58:17,416 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 10:58:17,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 10:58:17,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 10:58:17,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 10:58:17,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 10:58:17,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 10:58:17,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 10:58:17,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 10:58:17,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 10:58:17,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 10:58:17,419 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 10:58:17,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 10:58:17,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 10:58:17,420 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_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf2cfc7ea332e8eca11efb613b646b7ce2753ab [2020-12-03 10:58:17,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 10:58:17,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 10:58:17,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 10:58:17,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 10:58:17,852 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 10:58:17,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2020-12-03 10:58:17,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/data/1323f31f3/b240caebf909429186234c87ab5be62a/FLAG2475dd086 [2020-12-03 10:58:18,700 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 10:58:18,700 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2020-12-03 10:58:18,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/data/1323f31f3/b240caebf909429186234c87ab5be62a/FLAG2475dd086 [2020-12-03 10:58:18,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_670fdfa0-38d2-4e8a-8ba3-6cc88ebc232e/bin/ukojak/data/1323f31f3/b240caebf909429186234c87ab5be62a [2020-12-03 10:58:18,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 10:58:18,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 10:58:18,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 10:58:18,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 10:58:18,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 10:58:18,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 10:58:18" (1/1) ... [2020-12-03 10:58:18,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ade199c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:58:18, skipping insertion in model container [2020-12-03 10:58:18,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 10:58:18" (1/1) ... [2020-12-03 10:58:18,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 10:58:18,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 10:58:20,127 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-03 10:58:20,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48cd5199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:58:20, skipping insertion in model container [2020-12-03 10:58:20,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 10:58:20,129 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 10:58:20,132 INFO L168 Benchmark]: Toolchain (without parser) took 1271.28 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 74.1 MB in the end (delta: -25.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-12-03 10:58:20,133 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 10:58:20,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1267.43 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 74.1 MB in the end (delta: -25.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-12-03 10:58:20,137 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 81.8 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1267.43 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 74.1 MB in the end (delta: -25.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...