./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-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_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/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_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/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_2354e7a5-a9d8-4347-8e54-7ed394003509/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 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 02:00:12,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 02:00:12,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 02:00:12,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 02:00:12,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 02:00:12,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 02:00:12,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 02:00:12,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 02:00:12,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 02:00:12,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 02:00:12,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 02:00:12,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 02:00:12,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 02:00:12,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 02:00:12,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 02:00:12,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 02:00:12,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 02:00:12,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 02:00:12,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 02:00:12,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 02:00:12,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 02:00:12,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 02:00:12,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 02:00:12,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 02:00:12,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 02:00:12,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 02:00:12,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 02:00:12,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 02:00:12,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 02:00:12,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 02:00:12,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 02:00:12,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 02:00:12,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 02:00:12,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 02:00:12,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 02:00:12,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 02:00:12,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 02:00:12,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 02:00:12,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 02:00:12,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 02:00:12,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 02:00:12,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-21 02:00:12,493 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 02:00:12,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 02:00:12,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 02:00:12,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 02:00:12,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 02:00:12,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 02:00:12,495 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 02:00:12,495 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 02:00:12,496 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 02:00:12,496 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 02:00:12,496 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 02:00:12,496 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 02:00:12,497 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 02:00:12,497 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 02:00:12,497 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 02:00:12,497 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 02:00:12,498 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 02:00:12,498 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 02:00:12,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 02:00:12,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 02:00:12,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 02:00:12,499 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 02:00:12,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 02:00:12,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 02:00:12,500 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 02:00:12,500 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 02:00:12,501 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 02:00:12,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 02:00:12,501 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 02:00:12,501 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 02:00:12,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 02:00:12,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 02:00:12,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 02:00:12,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 02:00:12,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 02:00:12,503 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 02:00:12,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 02:00:12,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 02:00:12,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 02:00:12,504 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_2354e7a5-a9d8-4347-8e54-7ed394003509/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2021-11-21 02:00:12,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 02:00:12,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 02:00:12,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 02:00:12,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 02:00:12,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 02:00:12,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-11-21 02:00:12,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data/41dce02bc/f94b3964bd1a4ba1baa5fbca9a7e6fd7/FLAG9925ec939 [2021-11-21 02:00:13,488 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 02:00:13,489 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-11-21 02:00:13,510 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data/41dce02bc/f94b3964bd1a4ba1baa5fbca9a7e6fd7/FLAG9925ec939 [2021-11-21 02:00:13,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data/41dce02bc/f94b3964bd1a4ba1baa5fbca9a7e6fd7 [2021-11-21 02:00:13,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 02:00:13,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 02:00:13,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 02:00:13,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 02:00:13,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 02:00:13,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:13" (1/1) ... [2021-11-21 02:00:13,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b96e8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:13, skipping insertion in model container [2021-11-21 02:00:13,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:13" (1/1) ... [2021-11-21 02:00:13,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 02:00:13,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 02:00:14,686 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2021-11-21 02:00:14,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2482e54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:14, skipping insertion in model container [2021-11-21 02:00:14,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 02:00:14,688 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 02:00:14,690 INFO L158 Benchmark]: Toolchain (without parser) took 987.31ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 59.3MB in the end (delta: -2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 02:00:14,691 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 02:00:14,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 984.62ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 59.3MB in the end (delta: -2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 02:00:14,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 984.62ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 59.3MB in the end (delta: -2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/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_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/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_2354e7a5-a9d8-4347-8e54-7ed394003509/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 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 02:00:16,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 02:00:16,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 02:00:16,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 02:00:16,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 02:00:16,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 02:00:16,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 02:00:16,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 02:00:16,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 02:00:16,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 02:00:16,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 02:00:16,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 02:00:16,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 02:00:16,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 02:00:16,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 02:00:16,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 02:00:16,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 02:00:16,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 02:00:16,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 02:00:16,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 02:00:16,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 02:00:16,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 02:00:16,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 02:00:16,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 02:00:16,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 02:00:16,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 02:00:16,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 02:00:16,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 02:00:16,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 02:00:16,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 02:00:16,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 02:00:16,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 02:00:16,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 02:00:16,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 02:00:16,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 02:00:16,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 02:00:16,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 02:00:16,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 02:00:16,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 02:00:16,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 02:00:16,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 02:00:16,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-21 02:00:17,041 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 02:00:17,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 02:00:17,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 02:00:17,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 02:00:17,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 02:00:17,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 02:00:17,044 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 02:00:17,044 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 02:00:17,044 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 02:00:17,044 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 02:00:17,045 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 02:00:17,046 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 02:00:17,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 02:00:17,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 02:00:17,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 02:00:17,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 02:00:17,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 02:00:17,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 02:00:17,048 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 02:00:17,049 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 02:00:17,049 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 02:00:17,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 02:00:17,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 02:00:17,050 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 02:00:17,050 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 02:00:17,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 02:00:17,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 02:00:17,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 02:00:17,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 02:00:17,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 02:00:17,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 02:00:17,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 02:00:17,052 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 02:00:17,052 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 02:00:17,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 02:00:17,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 02:00:17,053 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_2354e7a5-a9d8-4347-8e54-7ed394003509/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2021-11-21 02:00:17,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 02:00:17,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 02:00:17,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 02:00:17,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 02:00:17,442 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 02:00:17,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-11-21 02:00:17,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data/062d9c821/999b677d0771465baced48470f5e121b/FLAG9d8893571 [2021-11-21 02:00:18,177 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 02:00:18,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-11-21 02:00:18,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data/062d9c821/999b677d0771465baced48470f5e121b/FLAG9d8893571 [2021-11-21 02:00:18,342 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354e7a5-a9d8-4347-8e54-7ed394003509/bin/utaipan-TEXQjIfE4P/data/062d9c821/999b677d0771465baced48470f5e121b [2021-11-21 02:00:18,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 02:00:18,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 02:00:18,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 02:00:18,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 02:00:18,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 02:00:18,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:18" (1/1) ... [2021-11-21 02:00:18,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca54b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:18, skipping insertion in model container [2021-11-21 02:00:18,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:18" (1/1) ... [2021-11-21 02:00:18,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 02:00:18,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 02:00:19,589 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2021-11-21 02:00:19,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f02e8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:19, skipping insertion in model container [2021-11-21 02:00:19,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 02:00:19,590 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 02:00:19,592 INFO L158 Benchmark]: Toolchain (without parser) took 1244.77ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 33.5MB in the beginning and 57.6MB in the end (delta: -24.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 02:00:19,593 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 02:00:19,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1239.60ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 33.3MB in the beginning and 57.6MB in the end (delta: -24.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 02:00:19,596 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1239.60ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 33.3MB in the beginning and 57.6MB in the end (delta: -24.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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