./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 00:52:55,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 00:52:55,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 00:52:55,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 00:52:55,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 00:52:55,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 00:52:55,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 00:52:55,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 00:52:55,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 00:52:55,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 00:52:55,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 00:52:55,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 00:52:55,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 00:52:55,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 00:52:55,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 00:52:55,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 00:52:55,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 00:52:55,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 00:52:55,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 00:52:55,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 00:52:55,983 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 00:52:55,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 00:52:55,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 00:52:55,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 00:52:55,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 00:52:55,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 00:52:55,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 00:52:55,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 00:52:55,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 00:52:55,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 00:52:55,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 00:52:56,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 00:52:56,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 00:52:56,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 00:52:56,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 00:52:56,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 00:52:56,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 00:52:56,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 00:52:56,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 00:52:56,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 00:52:56,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 00:52:56,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 00:52:56,013 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-07-22 00:52:56,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 00:52:56,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 00:52:56,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 00:52:56,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 00:52:56,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 00:52:56,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 00:52:56,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 00:52:56,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 00:52:56,056 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 00:52:56,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 00:52:56,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 00:52:56,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 00:52:56,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 00:52:56,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 00:52:56,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 00:52:56,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 00:52:56,059 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-22 00:52:56,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 00:52:56,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 00:52:56,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 00:52:56,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 00:52:56,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 00:52:56,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 00:52:56,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 00:52:56,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 00:52:56,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 00:52:56,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 00:52:56,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 00:52:56,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 00:52:56,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 00:52:56,062 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-07-22 00:52:56,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 00:52:56,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 00:52:56,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 00:52:56,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 00:52:56,410 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 00:52:56,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-07-22 00:52:56,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53734499e/7f9887c671974d1db26a8103e5c39c6d/FLAG7d1729061 [2022-07-22 00:52:57,029 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 00:52:57,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-07-22 00:52:57,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53734499e/7f9887c671974d1db26a8103e5c39c6d/FLAG7d1729061 [2022-07-22 00:52:57,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53734499e/7f9887c671974d1db26a8103e5c39c6d [2022-07-22 00:52:57,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 00:52:57,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 00:52:57,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 00:52:57,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 00:52:57,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 00:52:57,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:52:57" (1/1) ... [2022-07-22 00:52:57,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b34c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:52:57, skipping insertion in model container [2022-07-22 00:52:57,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:52:57" (1/1) ... [2022-07-22 00:52:57,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 00:52:57,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 00:52:58,053 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-07-22 00:52:58,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@172644a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:52:58, skipping insertion in model container [2022-07-22 00:52:58,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 00:52:58,054 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-22 00:52:58,056 INFO L158 Benchmark]: Toolchain (without parser) took 757.52ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 26.4MB in the beginning and 44.4MB in the end (delta: -18.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 00:52:58,057 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 00:52:58,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.09ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 36.6MB in the beginning and 44.4MB in the end (delta: -7.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 00:52:58,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 747.09ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 36.6MB in the beginning and 44.4MB in the end (delta: -7.9MB). 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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