./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/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_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/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_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/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-a4ecdab [2020-11-28 04:44:48,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:48,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:48,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:48,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:48,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:48,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:48,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:48,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:48,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:48,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:48,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:48,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:48,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:48,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:48,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:48,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:48,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:48,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:48,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:48,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:48,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:48,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:48,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:48,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:48,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:48,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:48,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:48,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:48,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:48,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:48,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:48,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:48,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:48,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:48,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:48,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:48,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:48,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:48,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:48,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:48,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:44:48,484 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:48,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:48,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:48,485 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:48,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:48,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:48,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:48,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:44:48,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:48,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:48,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:48,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:48,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:48,488 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:44:48,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:48,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:48,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:48,489 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:48,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:48,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:48,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:48,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:48,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:48,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:48,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:48,491 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:48,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:48,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:48,492 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_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2020-11-28 04:44:48,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:48,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:48,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:48,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:48,760 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:48,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-28 04:44:48,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak/data/329362214/d0a0f38144a5407aa424ea5911138cf4/FLAGf22936bb8 [2020-11-28 04:44:49,598 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:49,599 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-28 04:44:49,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak/data/329362214/d0a0f38144a5407aa424ea5911138cf4/FLAGf22936bb8 [2020-11-28 04:44:49,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f8844bf7-7391-4e7b-9c80-b6dc313d6de1/bin/ukojak/data/329362214/d0a0f38144a5407aa424ea5911138cf4 [2020-11-28 04:44:49,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:49,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:49,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:49,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:49,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:49,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:49" (1/1) ... [2020-11-28 04:44:49,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62210585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:49, skipping insertion in model container [2020-11-28 04:44:49,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:49" (1/1) ... [2020-11-28 04:44:49,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:49,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:50,830 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 04:44:50,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@af82212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50, skipping insertion in model container [2020-11-28 04:44:50,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:50,831 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:44:50,834 INFO L168 Benchmark]: Toolchain (without parser) took 1092.99 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 81.8 MB in the end (delta: 665.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:50,834 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:50,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1087.67 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 81.8 MB in the end (delta: 665.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:50,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1087.67 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 81.8 MB in the end (delta: 665.0 kB). 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...