./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan --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-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan --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-a4ecdab [2020-11-22 13:03:18,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:03:18,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:03:18,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:03:18,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:03:18,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:03:18,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:03:18,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:03:18,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:03:18,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:03:18,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:03:18,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:03:18,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:03:18,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:03:18,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:03:18,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:03:18,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:03:18,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:03:18,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:03:18,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:03:18,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:03:18,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:03:18,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:03:18,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:03:18,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:03:18,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:03:18,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:03:18,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:03:18,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:03:18,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:03:18,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:03:18,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:03:18,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:03:18,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:03:18,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:03:18,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:03:18,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:03:18,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:03:18,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:03:18,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:03:18,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:03:18,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-22 13:03:18,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:03:18,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:03:18,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:03:18,501 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:03:18,501 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:03:18,502 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:03:18,502 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:03:18,502 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:03:18,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:03:18,503 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:03:18,504 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:03:18,504 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:03:18,505 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:03:18,505 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:03:18,505 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:03:18,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:03:18,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:03:18,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:03:18,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:03:18,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:03:18,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:03:18,508 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:03:18,508 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:03:18,508 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:03:18,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:03:18,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:03:18,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:03:18,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:03:18,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:03:18,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:03:18,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:18,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:03:18,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:03:18,511 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:03:18,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:03:18,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:03:18,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:03:18,512 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-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2020-11-22 13:03:18,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:03:18,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:03:18,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:03:18,843 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:03:18,844 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:03:18,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-22 13:03:18,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data/b2ed4a796/414305c94b08401aac47a9633636a84e/FLAGa977e4b4e [2020-11-22 13:03:19,586 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:03:19,587 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-22 13:03:19,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data/b2ed4a796/414305c94b08401aac47a9633636a84e/FLAGa977e4b4e [2020-11-22 13:03:19,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data/b2ed4a796/414305c94b08401aac47a9633636a84e [2020-11-22 13:03:19,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:03:19,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:03:19,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:19,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:03:19,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:03:19,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:19" (1/1) ... [2020-11-22 13:03:19,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e7d960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:19, skipping insertion in model container [2020-11-22 13:03:19,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:19" (1/1) ... [2020-11-22 13:03:19,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:03:19,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:20,996 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-22 13:03:20,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70a92df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:20, skipping insertion in model container [2020-11-22 13:03:20,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:20,999 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:03:21,002 INFO L168 Benchmark]: Toolchain (without parser) took 1260.64 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 49.9 MB in the beginning and 73.0 MB in the end (delta: -23.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:21,004 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:03:21,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1251.62 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 49.6 MB in the beginning and 73.0 MB in the end (delta: -23.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:21,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1251.62 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 49.6 MB in the beginning and 73.0 MB in the end (delta: -23.4 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:03:23,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:03:23,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:03:23,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:03:23,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:03:23,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:03:23,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:03:23,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:03:23,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:03:23,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:03:23,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:03:23,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:03:23,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:03:23,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:03:23,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:03:23,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:03:23,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:03:23,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:03:23,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:03:23,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:03:23,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:03:23,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:03:23,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:03:23,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:03:23,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:03:23,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:03:23,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:03:23,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:03:23,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:03:23,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:03:23,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:03:23,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:03:23,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:03:23,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:03:23,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:03:23,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:03:23,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:03:23,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:03:23,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:03:23,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:03:23,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:03:23,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-22 13:03:23,439 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:03:23,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:03:23,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:03:23,442 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:03:23,442 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:03:23,443 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:03:23,443 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:03:23,443 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:03:23,444 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:03:23,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:03:23,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:03:23,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:03:23,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:03:23,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:03:23,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:03:23,448 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:03:23,448 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:03:23,449 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:03:23,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:03:23,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:03:23,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:03:23,450 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:03:23,450 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:03:23,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:03:23,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:03:23,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:03:23,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:03:23,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:23,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:03:23,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:03:23,452 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:03:23,453 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:03:23,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:03:23,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:03:23,467 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-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2020-11-22 13:03:23,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:03:23,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:03:23,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:03:23,884 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:03:23,888 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:03:23,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-22 13:03:23,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data/930e57ccc/77dbcbe4457c4bd680f08b1784544fdf/FLAG452fa4232 [2020-11-22 13:03:24,755 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:03:24,756 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-22 13:03:24,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data/930e57ccc/77dbcbe4457c4bd680f08b1784544fdf/FLAG452fa4232 [2020-11-22 13:03:24,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc644fc9-bec9-47ba-a3c8-906193a620bb/bin/utaipan/data/930e57ccc/77dbcbe4457c4bd680f08b1784544fdf [2020-11-22 13:03:24,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:03:24,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:03:24,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:24,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:03:24,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:03:24,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:24" (1/1) ... [2020-11-22 13:03:24,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bfdef47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:24, skipping insertion in model container [2020-11-22 13:03:24,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:24" (1/1) ... [2020-11-22 13:03:24,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:03:25,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:26,083 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-22 13:03:26,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40d40742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:26, skipping insertion in model container [2020-11-22 13:03:26,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:26,084 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:03:26,090 INFO L168 Benchmark]: Toolchain (without parser) took 1193.07 ms. Allocated memory is still 69.2 MB. Free memory was 48.5 MB in the beginning and 44.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:26,091 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 53.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:03:26,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1188.56 ms. Allocated memory is still 69.2 MB. Free memory was 48.3 MB in the beginning and 44.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:26,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 53.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1188.56 ms. Allocated memory is still 69.2 MB. Free memory was 48.3 MB in the beginning and 44.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 14.9 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...