./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ae47ea464d7b3654b12768aa5faafe9c13473b69 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ae47ea464d7b3654b12768aa5faafe9c13473b69 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:57,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:57,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:57,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:57,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:57,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:57,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:57,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:57,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:57,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:57,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:57,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:57,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:57,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:57,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:57,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:57,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:57,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:57,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:57,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:57,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:57,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:57,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:57,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:57,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:57,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:57,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:57,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:57,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:57,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:57,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:57,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:57,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:57,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:57,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:57,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:57,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:57,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:57,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:57,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:57,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:57,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-11 02:21:57,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:57,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:57,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:57,593 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:57,594 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:57,594 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:57,594 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:21:57,595 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:57,595 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:57,595 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:21:57,596 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:21:57,597 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:57,597 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:21:57,597 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:21:57,597 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:21:57,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:21:57,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:21:57,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:57,599 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:21:57,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:21:57,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:57,600 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:21:57,600 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:21:57,600 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:21:57,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:57,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:57,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:57,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:57,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:57,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:57,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:57,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:57,604 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:21:57,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:21:57,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:57,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:57,605 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2021-10-11 02:21:57,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:57,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:57,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:57,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:57,978 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:57,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-11 02:21:58,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data/534b16e83/d17bf9e3770744e0b34cb8d5d6acbc09/FLAG31cd75a74 [2021-10-11 02:21:58,797 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:58,798 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-11 02:21:58,828 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data/534b16e83/d17bf9e3770744e0b34cb8d5d6acbc09/FLAG31cd75a74 [2021-10-11 02:21:58,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data/534b16e83/d17bf9e3770744e0b34cb8d5d6acbc09 [2021-10-11 02:21:58,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:58,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:58,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:58,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:58,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:58,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e55093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:58, skipping insertion in model container [2021-10-11 02:21:58,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:58" (1/1) ... [2021-10-11 02:21:58,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:59,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:00,004 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-11 02:22:00,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@742ea650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:00, skipping insertion in model container [2021-10-11 02:22:00,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:00,008 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:00,012 INFO L168 Benchmark]: Toolchain (without parser) took 1126.66 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 56.8 MB in the beginning and 116.6 MB in the end (delta: -59.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:00,013 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 77.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:00,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1123.36 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 56.6 MB in the beginning and 116.6 MB in the end (delta: -60.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:00,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 100.7 MB. Free memory is still 77.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1123.36 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 56.6 MB in the beginning and 116.6 MB in the end (delta: -60.0 MB). Peak memory consumption was 12.9 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:22:02,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:02,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:02,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:02,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:02,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:02,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:02,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:02,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:02,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:02,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:02,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:02,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:02,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:02,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:02,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:02,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:02,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:02,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:02,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:02,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:02,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:02,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:02,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:02,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:02,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:02,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:02,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:02,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:02,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:02,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:02,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:02,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:02,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:02,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:02,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:02,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:02,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:02,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:02,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:02,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:02,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-11 02:22:02,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:02,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:02,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:02,463 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:02,463 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:02,463 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:02,464 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:02,464 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:02,464 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:02,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:22:02,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:22:02,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:02,467 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:22:02,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:02,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:02,468 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:22:02,468 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:22:02,469 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:22:02,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:02,469 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:02,469 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:02,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:02,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:02,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:02,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:02,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:02,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:02,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:02,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:02,472 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:02,472 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:02,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:02,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:02,473 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2021-10-11 02:22:02,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:02,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:02,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:02,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:02,925 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:02,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-11 02:22:02,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data/64df514a7/4aa10bb400a5456f81995f2334016ff9/FLAGfc3f5770b [2021-10-11 02:22:03,784 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:03,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-11 02:22:03,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data/64df514a7/4aa10bb400a5456f81995f2334016ff9/FLAGfc3f5770b [2021-10-11 02:22:03,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a9d924-9eca-4788-aef1-357f2dd15959/bin/utaipan-WLngWcDbfI/data/64df514a7/4aa10bb400a5456f81995f2334016ff9 [2021-10-11 02:22:03,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:03,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:03,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:03,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:03,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:03,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:03,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0b2b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:03, skipping insertion in model container [2021-10-11 02:22:03,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:03" (1/1) ... [2021-10-11 02:22:03,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:04,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:05,185 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-11 02:22:05,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17a73164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:05, skipping insertion in model container [2021-10-11 02:22:05,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:05,186 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:05,188 INFO L168 Benchmark]: Toolchain (without parser) took 1273.12 ms. Allocated memory is still 62.9 MB. Free memory was 38.8 MB in the beginning and 36.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:05,189 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 62.9 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:05,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1268.65 ms. Allocated memory is still 62.9 MB. Free memory was 38.7 MB in the beginning and 36.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:05,191 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 62.9 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1268.65 ms. Allocated memory is still 62.9 MB. Free memory was 38.7 MB in the beginning and 36.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 12.5 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...