./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:52:28,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:52:28,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:52:28,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:52:28,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:52:28,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:52:28,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:52:28,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:52:28,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:52:28,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:52:28,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:52:28,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:52:28,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:52:28,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:52:28,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:52:28,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:52:28,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:52:28,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:52:28,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:52:28,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:52:28,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:52:28,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:52:28,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:52:28,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:52:28,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:52:28,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:52:28,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:52:28,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:52:28,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:52:28,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:52:28,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:52:28,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:52:28,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:52:28,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:52:28,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:52:28,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:52:28,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:52:28,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:52:28,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:52:28,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:52:28,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:52:28,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-20 23:52:28,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:52:28,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:52:28,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:52:28,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:52:28,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:52:28,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:52:28,449 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:52:28,449 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:52:28,450 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:52:28,450 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:52:28,450 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:52:28,451 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:52:28,451 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:52:28,452 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:52:28,452 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:52:28,452 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:52:28,452 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:52:28,453 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:52:28,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:52:28,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:52:28,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:52:28,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:52:28,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:52:28,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:52:28,456 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:52:28,456 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:52:28,457 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 23:52:28,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:52:28,457 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:52:28,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:52:28,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:52:28,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:52:28,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:52:28,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:52:28,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:52:28,459 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:52:28,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:52:28,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:52:28,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:52:28,460 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_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-20 23:52:28,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:52:28,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:52:28,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:52:28,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:52:28,850 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:52:28,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-20 23:52:28,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data/aa8749ce6/43ddd552e40146f785e16f849dc67da9/FLAG7ff8a464d [2021-11-20 23:52:29,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:52:29,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-20 23:52:29,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data/aa8749ce6/43ddd552e40146f785e16f849dc67da9/FLAG7ff8a464d [2021-11-20 23:52:29,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data/aa8749ce6/43ddd552e40146f785e16f849dc67da9 [2021-11-20 23:52:29,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:52:29,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:52:29,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:52:29,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:52:29,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:52:29,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:29" (1/1) ... [2021-11-20 23:52:29,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50637667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:29, skipping insertion in model container [2021-11-20 23:52:29,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:29" (1/1) ... [2021-11-20 23:52:29,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:52:29,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:52:31,355 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-20 23:52:31,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4254b6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:31, skipping insertion in model container [2021-11-20 23:52:31,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:52:31,357 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:52:31,359 INFO L158 Benchmark]: Toolchain (without parser) took 1493.79ms. Allocated memory is still 111.1MB. Free memory was 72.9MB in the beginning and 73.6MB in the end (delta: -638.8kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 23:52:31,359 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 79.7MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:52:31,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1490.43ms. Allocated memory is still 111.1MB. Free memory was 72.7MB in the beginning and 73.6MB in the end (delta: -853.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 23:52:31,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 79.7MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1490.43ms. Allocated memory is still 111.1MB. Free memory was 72.7MB in the beginning and 73.6MB in the end (delta: -853.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:52:33,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:52:33,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:52:33,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:52:33,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:52:33,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:52:33,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:52:33,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:52:33,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:52:33,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:52:33,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:52:33,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:52:33,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:52:33,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:52:33,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:52:33,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:52:33,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:52:33,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:52:33,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:52:33,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:52:33,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:52:33,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:52:33,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:52:33,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:52:33,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:52:33,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:52:33,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:52:33,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:52:33,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:52:33,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:52:33,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:52:33,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:52:33,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:52:33,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:52:33,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:52:33,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:52:33,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:52:33,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:52:33,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:52:33,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:52:33,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:52:33,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-20 23:52:33,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:52:33,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:52:33,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:52:33,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:52:33,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:52:33,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:52:33,805 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:52:33,805 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:52:33,806 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:52:33,806 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:52:33,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:52:33,807 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:52:33,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:52:33,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:52:33,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:52:33,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:52:33,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:52:33,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:52:33,810 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:52:33,810 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:52:33,810 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 23:52:33,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:52:33,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:52:33,811 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:52:33,811 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:52:33,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:52:33,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:52:33,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:52:33,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:52:33,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:52:33,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:52:33,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:52:33,813 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:52:33,813 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:52:33,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:52:33,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:52:33,814 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_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-20 23:52:34,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:52:34,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:52:34,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:52:34,195 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:52:34,196 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:52:34,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-20 23:52:34,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data/e49203356/8739c1fef4bc4278bf5000967bfee5f7/FLAG51f7cf12e [2021-11-20 23:52:35,235 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:52:35,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-20 23:52:35,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data/e49203356/8739c1fef4bc4278bf5000967bfee5f7/FLAG51f7cf12e [2021-11-20 23:52:35,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3db05ce1-1811-4645-8743-6f5d5fbfaf5d/bin/utaipan-TEXQjIfE4P/data/e49203356/8739c1fef4bc4278bf5000967bfee5f7 [2021-11-20 23:52:35,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:52:35,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:52:35,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:52:35,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:52:35,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:52:35,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:35" (1/1) ... [2021-11-20 23:52:35,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a12767a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:35, skipping insertion in model container [2021-11-20 23:52:35,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:35" (1/1) ... [2021-11-20 23:52:35,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:52:35,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:52:36,991 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-20 23:52:36,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ee444fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:36, skipping insertion in model container [2021-11-20 23:52:36,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:52:36,993 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:52:36,995 INFO L158 Benchmark]: Toolchain (without parser) took 1237.53ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 33.7MB in the beginning and 44.1MB in the end (delta: -10.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-20 23:52:36,995 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:52:36,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1235.16ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 33.5MB in the beginning and 44.1MB in the end (delta: -10.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-20 23:52:37,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1235.16ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 33.5MB in the beginning and 44.1MB in the end (delta: -10.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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