./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/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_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ --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-aef121e [2021-11-23 01:03:33,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:33,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:33,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:33,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:33,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:33,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:33,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:33,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:33,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:33,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:33,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:33,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:33,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:33,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:33,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:33,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:33,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:33,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:33,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:33,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:33,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:33,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:33,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:33,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:33,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:33,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:33,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:33,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:33,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:33,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:33,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:33,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:33,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:33,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:33,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:33,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:33,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:33,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:33,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:33,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:33,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 01:03:33,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:33,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:33,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:33,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:33,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:33,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:33,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:33,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:03:33,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:03:33,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:33,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:33,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:33,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:33,990 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:03:33,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:33,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:33,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:33,991 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:33,991 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:33,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:33,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:33,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:33,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:33,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:33,992 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:03:33,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:03:33,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:33,993 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_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2021-11-23 01:03:34,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:34,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:34,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:34,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:34,324 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:34,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2021-11-23 01:03:34,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/data/0358680c6/3bfa4ce494144c47912487d0a50c3331/FLAG70c22ddf0 [2021-11-23 01:03:35,053 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:35,054 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2021-11-23 01:03:35,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/data/0358680c6/3bfa4ce494144c47912487d0a50c3331/FLAG70c22ddf0 [2021-11-23 01:03:35,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/data/0358680c6/3bfa4ce494144c47912487d0a50c3331 [2021-11-23 01:03:35,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:35,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:35,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:35,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:35,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:35,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f93488a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35, skipping insertion in model container [2021-11-23 01:03:35,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:35,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:36,363 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 01:03:36,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@121d99fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:36, skipping insertion in model container [2021-11-23 01:03:36,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:36,370 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:03:36,373 INFO L158 Benchmark]: Toolchain (without parser) took 1126.87ms. Allocated memory is still 119.5MB. Free memory was 74.3MB in the beginning and 85.0MB in the end (delta: -10.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 01:03:36,374 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 119.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:36,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1122.26ms. Allocated memory is still 119.5MB. Free memory was 74.2MB in the beginning and 85.0MB in the end (delta: -10.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 01:03:36,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 119.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1122.26ms. Allocated memory is still 119.5MB. Free memory was 74.2MB in the beginning and 85.0MB in the end (delta: -10.9MB). Peak memory consumption was 11.5MB. 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_8df8f76d-586c-4cf8-9481-3ebf4bf14667/bin/ukojak-LBtLqBUTdQ/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