./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 54858612 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 2bf2cfc7ea332e8eca11efb613b646b7ce2753ab ............................................................................................................................... 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 --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:12:12,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:12:12,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:12:12,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:12:12,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:12:12,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:12:12,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:12:12,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:12:12,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:12:12,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:12:12,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:12:12,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:12:12,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:12:12,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:12:12,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:12:12,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:12:12,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:12:12,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:12:12,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:12:12,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:12:12,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:12:12,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:12:12,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:12:12,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:12:12,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:12:12,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:12:12,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:12:12,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:12:12,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:12:12,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:12:12,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:12:12,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:12:12,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:12:12,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:12:12,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:12:12,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:12:12,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:12:12,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:12:12,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:12:12,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:12:12,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:12:12,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-26 04:12:12,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:12:12,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:12:12,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:12:12,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:12:12,637 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:12:12,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:12:12,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:12:12,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:12:12,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:12:12,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 04:12:12,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 04:12:12,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 04:12:12,639 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-26 04:12:12,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:12:12,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:12:12,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 04:12:12,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:12:12,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:12:12,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 04:12:12,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 04:12:12,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 04:12:12,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:12:12,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 04:12:12,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 04:12:12,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:12:12,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 04:12:12,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 04:12:12,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:12:12,643 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf2cfc7ea332e8eca11efb613b646b7ce2753ab [2020-10-26 04:12:13,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:12:13,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:12:13,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:12:13,126 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:12:13,126 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:12:13,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2020-10-26 04:12:13,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576772a13/a0904993a51641d380bc9869e1f3bd75/FLAG18fac3eef [2020-10-26 04:12:14,123 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:12:14,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2020-10-26 04:12:14,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576772a13/a0904993a51641d380bc9869e1f3bd75/FLAG18fac3eef [2020-10-26 04:12:14,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576772a13/a0904993a51641d380bc9869e1f3bd75 [2020-10-26 04:12:14,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:12:14,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:12:14,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:12:14,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:12:14,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:12:14,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:12:14" (1/1) ... [2020-10-26 04:12:14,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1767fd68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:12:14, skipping insertion in model container [2020-10-26 04:12:14,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:12:14" (1/1) ... [2020-10-26 04:12:14,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:12:14,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:12:15,177 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-10-26 04:12:15,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63f8157d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:12:15, skipping insertion in model container [2020-10-26 04:12:15,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:12:15,179 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 04:12:15,183 INFO L168 Benchmark]: Toolchain (without parser) took 969.42 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 29.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:12:15,184 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 41.9 MB. Free memory was 28.3 MB in the beginning and 28.3 MB in the end (delta: 20.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:12:15,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 961.75 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 22.9 MB in the beginning and 29.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:12:15,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 41.9 MB. Free memory was 28.3 MB in the beginning and 28.3 MB in the end (delta: 20.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 961.75 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 22.9 MB in the beginning and 29.9 MB in the end (delta: -7.1 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...