./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/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_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7 --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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:34:13,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:34:13,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:34:13,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:34:13,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:34:13,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:34:13,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:34:13,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:34:13,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:34:13,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:34:13,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:34:13,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:34:13,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:34:13,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:34:13,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:34:13,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:34:13,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:34:13,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:34:13,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:34:13,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:34:13,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:34:13,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:34:13,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:34:13,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:34:13,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:34:13,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:34:13,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:34:13,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:34:13,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:34:13,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:34:13,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:34:13,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:34:13,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:34:13,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:34:13,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:34:13,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:34:13,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:34:13,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:34:13,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:34:13,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:34:13,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:34:13,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 20:34:13,603 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:34:13,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:34:13,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:34:13,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:34:13,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:34:13,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:34:13,606 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:34:13,606 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:34:13,606 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:34:13,606 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:34:13,607 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:34:13,607 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:34:13,607 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:34:13,607 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:34:13,608 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:34:13,608 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:34:13,608 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:34:13,608 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:34:13,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 20:34:13,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 20:34:13,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:34:13,610 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:34:13,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:34:13,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:34:13,611 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 20:34:13,611 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 20:34:13,611 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 20:34:13,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:34:13,612 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 20:34:13,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:34:13,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:34:13,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:34:13,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:34:13,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:34:13,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:34:13,613 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:34:13,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:34:13,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:34:13,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:34:13,614 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_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-25 20:34:13,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:34:13,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:34:13,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:34:13,912 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:34:13,912 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:34:13,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-25 20:34:14,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data/0904a4b0d/b636f37afdfa43a3b8cd78271ca0870a/FLAG5d701cd11 [2021-11-25 20:34:14,630 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:34:14,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-25 20:34:14,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data/0904a4b0d/b636f37afdfa43a3b8cd78271ca0870a/FLAG5d701cd11 [2021-11-25 20:34:14,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data/0904a4b0d/b636f37afdfa43a3b8cd78271ca0870a [2021-11-25 20:34:14,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:34:14,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:34:14,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:34:14,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:34:14,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:34:14,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:34:14" (1/1) ... [2021-11-25 20:34:14,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528bb659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:34:14, skipping insertion in model container [2021-11-25 20:34:14,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:34:14" (1/1) ... [2021-11-25 20:34:14,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:34:14,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:34:15,965 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 20:34:15,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48998bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:34:15, skipping insertion in model container [2021-11-25 20:34:15,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:34:15,967 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 20:34:15,969 INFO L158 Benchmark]: Toolchain (without parser) took 1107.27ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 63.5MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 20:34:15,971 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:34:15,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1102.88ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 63.5MB in the end (delta: -3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 20:34:15,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1102.88ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 63.5MB in the end (delta: -3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/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_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7 --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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:34:18,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:34:18,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:34:18,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:34:18,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:34:18,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:34:18,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:34:18,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:34:18,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:34:18,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:34:18,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:34:18,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:34:18,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:34:18,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:34:18,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:34:18,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:34:18,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:34:18,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:34:18,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:34:18,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:34:18,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:34:18,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:34:18,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:34:18,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:34:18,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:34:18,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:34:18,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:34:18,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:34:18,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:34:18,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:34:18,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:34:18,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:34:18,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:34:18,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:34:18,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:34:18,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:34:18,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:34:18,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:34:18,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:34:18,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:34:18,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:34:18,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 20:34:18,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:34:18,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:34:18,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:34:18,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:34:18,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:34:18,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:34:18,467 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:34:18,467 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:34:18,468 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:34:18,468 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:34:18,469 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:34:18,469 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:34:18,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 20:34:18,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 20:34:18,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:34:18,472 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:34:18,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:34:18,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:34:18,472 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 20:34:18,473 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 20:34:18,473 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 20:34:18,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:34:18,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 20:34:18,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 20:34:18,474 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 20:34:18,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:34:18,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:34:18,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 20:34:18,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:34:18,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:34:18,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:34:18,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:34:18,476 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 20:34:18,476 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 20:34:18,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:34:18,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:34:18,477 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_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-25 20:34:18,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:34:18,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:34:18,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:34:18,914 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:34:18,915 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:34:18,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-25 20:34:18,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data/c0cdb2e59/9d91ebaef0bd43a6a6866228bd6e42fd/FLAG635ca8aa6 [2021-11-25 20:34:19,842 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:34:19,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-25 20:34:19,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data/c0cdb2e59/9d91ebaef0bd43a6a6866228bd6e42fd/FLAG635ca8aa6 [2021-11-25 20:34:19,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6f0ac2-2525-4dff-bf30-f471e4b7bc85/bin/utaipan-eEHZpOm5b7/data/c0cdb2e59/9d91ebaef0bd43a6a6866228bd6e42fd [2021-11-25 20:34:19,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:34:19,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:34:19,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:34:19,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:34:19,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:34:19,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:34:19" (1/1) ... [2021-11-25 20:34:19,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2532c4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:34:19, skipping insertion in model container [2021-11-25 20:34:19,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:34:19" (1/1) ... [2021-11-25 20:34:19,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:34:20,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:34:21,047 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 20:34:21,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a09e588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:34:21, skipping insertion in model container [2021-11-25 20:34:21,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:34:21,050 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 20:34:21,053 INFO L158 Benchmark]: Toolchain (without parser) took 1097.17ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 28.4MB in the beginning and 46.9MB in the end (delta: -18.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 20:34:21,055 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 54.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:34:21,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1094.02ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 28.3MB in the beginning and 46.9MB in the end (delta: -18.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 20:34:21,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 54.5MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1094.02ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 28.3MB in the beginning and 46.9MB in the end (delta: -18.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN