./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/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_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH --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 0.2.1-dev-9ad7fb2 [2021-11-03 05:10:07,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:10:07,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:10:07,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:10:07,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:10:07,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:10:07,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:10:07,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:10:07,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:10:07,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:10:07,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:10:07,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:10:07,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:10:07,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:10:07,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:10:07,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:10:07,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:10:07,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:10:07,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:10:07,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:10:07,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:10:07,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:10:07,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:10:07,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:10:07,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:10:07,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:10:07,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:10:07,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:10:07,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:10:07,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:10:07,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:10:07,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:10:07,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:10:07,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:10:07,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:10:07,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:10:07,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:10:07,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:10:07,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:10:07,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:10:07,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:10:07,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-03 05:10:07,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:10:07,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:10:07,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:10:07,453 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:10:07,453 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:10:07,454 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:10:07,454 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:10:07,454 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:10:07,455 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:10:07,455 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:10:07,456 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:10:07,457 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:10:07,457 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:10:07,457 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:10:07,458 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:10:07,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 05:10:07,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 05:10:07,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:10:07,460 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 05:10:07,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:10:07,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:10:07,461 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 05:10:07,461 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 05:10:07,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 05:10:07,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:10:07,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:10:07,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:10:07,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:10:07,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:10:07,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:10:07,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:10:07,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:10:07,467 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:10:07,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:10:07,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:10:07,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:10:07,468 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_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-03 05:10:07,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:10:07,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:10:07,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:10:07,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:10:07,805 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:10:07,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-03 05:10:07,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data/251f7a289/f6c7e924f48d4d0d92924227e9e67850/FLAGf63a674c7 [2021-11-03 05:10:08,579 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:10:08,579 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-03 05:10:08,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data/251f7a289/f6c7e924f48d4d0d92924227e9e67850/FLAGf63a674c7 [2021-11-03 05:10:08,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data/251f7a289/f6c7e924f48d4d0d92924227e9e67850 [2021-11-03 05:10:08,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:10:08,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:10:08,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:10:08,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:10:08,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:10:08,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:10:08" (1/1) ... [2021-11-03 05:10:08,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60983330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:10:08, skipping insertion in model container [2021-11-03 05:10:08,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:10:08" (1/1) ... [2021-11-03 05:10:08,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:10:08,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:10:09,855 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-03 05:10:09,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@135be22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:10:09, skipping insertion in model container [2021-11-03 05:10:09,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:10:09,856 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:10:09,859 INFO L168 Benchmark]: Toolchain (without parser) took 1105.62 ms. Allocated memory is still 107.0 MB. Free memory was 70.6 MB in the beginning and 71.9 MB in the end (delta: -1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:10:09,859 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 107.0 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:10:09,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1102.85 ms. Allocated memory is still 107.0 MB. Free memory was 70.4 MB in the beginning and 72.3 MB in the end (delta: -1.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:10:09,862 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 107.0 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1102.85 ms. Allocated memory is still 107.0 MB. Free memory was 70.4 MB in the beginning and 72.3 MB in the end (delta: -1.9 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... --- 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_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/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_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH --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 0.2.1-dev-9ad7fb2 [2021-11-03 05:10:12,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:10:12,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:10:12,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:10:12,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:10:12,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:10:12,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:10:12,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:10:12,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:10:12,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:10:12,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:10:12,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:10:12,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:10:12,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:10:12,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:10:12,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:10:12,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:10:12,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:10:12,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:10:12,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:10:12,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:10:12,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:10:12,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:10:12,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:10:12,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:10:12,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:10:12,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:10:12,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:10:12,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:10:12,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:10:12,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:10:12,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:10:12,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:10:12,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:10:12,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:10:12,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:10:12,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:10:12,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:10:12,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:10:12,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:10:12,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:10:12,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-03 05:10:12,511 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:10:12,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:10:12,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:10:12,514 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:10:12,514 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:10:12,514 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:10:12,515 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:10:12,515 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:10:12,515 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:10:12,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 05:10:12,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 05:10:12,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:10:12,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 05:10:12,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:10:12,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:10:12,519 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 05:10:12,519 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 05:10:12,519 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 05:10:12,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:10:12,520 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:10:12,520 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:10:12,520 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:10:12,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:10:12,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:10:12,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:10:12,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:10:12,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:10:12,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:10:12,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:10:12,522 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:10:12,523 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:10:12,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:10:12,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:10:12,524 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_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-03 05:10:12,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:10:12,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:10:12,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:10:12,982 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:10:12,982 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:10:12,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-03 05:10:13,076 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data/9e7ade87f/6d3eeb90d2ab4fc1ad67f481f75b7cb1/FLAGe89fce220 [2021-11-03 05:10:13,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:10:13,915 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-03 05:10:13,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data/9e7ade87f/6d3eeb90d2ab4fc1ad67f481f75b7cb1/FLAGe89fce220 [2021-11-03 05:10:14,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c24930f-fb56-48aa-ad1e-714eb913bf3e/bin/utaipan-aC7eJsxGYH/data/9e7ade87f/6d3eeb90d2ab4fc1ad67f481f75b7cb1 [2021-11-03 05:10:14,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:10:14,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:10:14,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:10:14,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:10:14,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:10:14,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:10:14" (1/1) ... [2021-11-03 05:10:14,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145d57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:10:14, skipping insertion in model container [2021-11-03 05:10:14,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:10:14" (1/1) ... [2021-11-03 05:10:14,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:10:14,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:10:16,233 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-03 05:10:16,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cfb81d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:10:16, skipping insertion in model container [2021-11-03 05:10:16,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:10:16,235 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:10:16,238 INFO L168 Benchmark]: Toolchain (without parser) took 1746.35 ms. Allocated memory is still 75.5 MB. Free memory was 57.3 MB in the beginning and 50.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-11-03 05:10:16,240 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 56.7 MB in the beginning and 56.7 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:10:16,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1744.25 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 50.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-11-03 05:10:16,247 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 75.5 MB. Free memory was 56.7 MB in the beginning and 56.7 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1744.25 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 50.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 15.9 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN