./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN --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 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:29:08,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:29:08,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:29:08,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:29:08,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:29:08,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:29:08,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:29:08,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:29:08,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:29:08,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:29:08,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:29:08,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:29:08,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:29:08,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:29:08,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:29:08,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:29:08,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:29:08,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:29:08,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:29:08,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:29:08,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:29:08,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:29:08,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:29:08,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:29:08,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:29:08,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:29:08,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:29:08,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:29:08,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:29:08,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:29:08,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:29:08,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:29:08,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:29:08,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:29:08,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:29:08,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:29:08,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:29:08,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:29:08,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:29:08,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:29:08,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:29:08,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 05:29:08,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:29:08,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:29:08,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:29:08,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:29:08,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:29:08,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:29:08,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:29:08,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:29:08,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:29:08,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:29:08,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:29:08,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:29:08,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:29:08,638 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:29:08,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:29:08,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:29:08,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:29:08,639 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:29:08,639 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:29:08,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:29:08,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:29:08,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:29:08,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:29:08,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:29:08,641 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:29:08,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:29:08,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:29:08,642 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_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2021-11-21 05:29:08,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:29:08,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:29:08,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:29:08,934 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:29:08,935 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:29:08,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2021-11-21 05:29:09,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/data/3527ed949/a447f7d761f74c8aa320b2460ed1af84/FLAGd986389d5 [2021-11-21 05:29:09,615 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:29:09,615 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2021-11-21 05:29:09,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/data/3527ed949/a447f7d761f74c8aa320b2460ed1af84/FLAGd986389d5 [2021-11-21 05:29:09,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/data/3527ed949/a447f7d761f74c8aa320b2460ed1af84 [2021-11-21 05:29:09,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:29:09,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:29:09,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:29:09,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:29:09,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:29:09,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12fa5a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:09, skipping insertion in model container [2021-11-21 05:29:09,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:29:09" (1/1) ... [2021-11-21 05:29:09,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:29:10,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:29:10,945 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-21 05:29:10,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@747675bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:10, skipping insertion in model container [2021-11-21 05:29:10,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:29:10,947 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 05:29:10,949 INFO L158 Benchmark]: Toolchain (without parser) took 974.33ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 64.2MB in the end (delta: -2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 05:29:10,951 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:29:10,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.68ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 64.2MB in the end (delta: -3.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 05:29:10,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.68ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 64.2MB in the end (delta: -3.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * 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... --- 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_89d6b5db-69c2-4c7b-99cc-f64ee442a90e/bin/ukojak-vF6T2TMglN/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