./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.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_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/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 ae47ea464d7b3654b12768aa5faafe9c13473b69 ............................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/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 11:09:24,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 11:09:24,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 11:09:24,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 11:09:24,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 11:09:24,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 11:09:24,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 11:09:24,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 11:09:24,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 11:09:24,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 11:09:24,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 11:09:24,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 11:09:24,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 11:09:24,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 11:09:24,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 11:09:24,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 11:09:24,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 11:09:24,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 11:09:24,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 11:09:24,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 11:09:24,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 11:09:24,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 11:09:24,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 11:09:24,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 11:09:24,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 11:09:24,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 11:09:24,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 11:09:24,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 11:09:24,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 11:09:24,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 11:09:24,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 11:09:24,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 11:09:24,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 11:09:24,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 11:09:24,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 11:09:24,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 11:09:24,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 11:09:24,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 11:09:24,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 11:09:24,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 11:09:24,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 11:09:24,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-03 11:09:24,918 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 11:09:24,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 11:09:24,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 11:09:24,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 11:09:24,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 11:09:24,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 11:09:24,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 11:09:24,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 11:09:24,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 11:09:24,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 11:09:24,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 11:09:24,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 11:09:24,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 11:09:24,927 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 11:09:24,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 11:09:24,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 11:09:24,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 11:09:24,928 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 11:09:24,929 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 11:09:24,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 11:09:24,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 11:09:24,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:09:24,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 11:09:24,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 11:09:24,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 11:09:24,931 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 11:09:24,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 11:09:24,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 11:09:24,932 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_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2020-12-03 11:09:25,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 11:09:25,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 11:09:25,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 11:09:25,399 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 11:09:25,401 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 11:09:25,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-12-03 11:09:25,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/data/e6ea3a4a3/bfe58385f5864462951a669f62b1702a/FLAG1dd30645a [2020-12-03 11:09:26,391 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 11:09:26,393 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-12-03 11:09:26,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/data/e6ea3a4a3/bfe58385f5864462951a669f62b1702a/FLAG1dd30645a [2020-12-03 11:09:26,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_88dd4b6f-02f4-48c8-8ecf-7a4ebb9d2451/bin/ukojak/data/e6ea3a4a3/bfe58385f5864462951a669f62b1702a [2020-12-03 11:09:26,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 11:09:26,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 11:09:26,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 11:09:26,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 11:09:26,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 11:09:26,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:09:26" (1/1) ... [2020-12-03 11:09:26,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb98cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:09:26, skipping insertion in model container [2020-12-03 11:09:26,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:09:26" (1/1) ... [2020-12-03 11:09:26,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 11:09:27,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 11:09:28,337 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 11:09:28,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f96833e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:09:28, skipping insertion in model container [2020-12-03 11:09:28,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 11:09:28,339 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 11:09:28,342 INFO L168 Benchmark]: Toolchain (without parser) took 1402.97 ms. Allocated memory is still 113.2 MB. Free memory was 73.6 MB in the beginning and 79.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 11:09:28,345 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 113.2 MB. Free memory was 85.9 MB in the beginning and 85.9 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:09:28,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1397.56 ms. Allocated memory is still 113.2 MB. Free memory was 73.5 MB in the beginning and 79.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 11:09:28,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 113.2 MB. Free memory was 85.9 MB in the beginning and 85.9 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1397.56 ms. Allocated memory is still 113.2 MB. Free memory was 73.5 MB in the beginning and 79.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 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...