./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur --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 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:23:38,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:23:38,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:23:38,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:23:38,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:23:38,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:23:38,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:23:38,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:23:38,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:23:38,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:23:38,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:23:38,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:23:38,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:23:38,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:23:38,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:23:38,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:23:38,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:23:38,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:23:38,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:23:38,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:23:38,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:23:38,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:23:38,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:23:38,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:23:38,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:23:38,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:23:38,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:23:38,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:23:38,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:23:38,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:23:38,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:23:38,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:23:38,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:23:38,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:23:38,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:23:38,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:23:38,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:23:38,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:23:38,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:23:38,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:23:38,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:23:38,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-25 22:23:38,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:23:38,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:23:38,776 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:23:38,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:23:38,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:23:38,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:23:38,778 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:23:38,779 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:23:38,779 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:23:38,779 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:23:38,781 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:23:38,781 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:23:38,781 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:23:38,782 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:23:38,782 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:23:38,782 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:23:38,783 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:23:38,783 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:23:38,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:23:38,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:23:38,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:23:38,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:23:38,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:23:38,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:23:38,786 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:23:38,786 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:23:38,786 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 22:23:38,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:23:38,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:23:38,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:23:38,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:23:38,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:23:38,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:23:38,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:23:38,789 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:23:38,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:23:38,790 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:23:38,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:23:38,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:23:38,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2022-11-25 22:23:39,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:23:39,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:23:39,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:23:39,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:23:39,163 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:23:39,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-25 22:23:42,715 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:23:43,516 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:23:43,517 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-25 22:23:43,562 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/data/c7a481f90/44664cd55e4241ccb78261cb611399f0/FLAGf6ceb6ea8 [2022-11-25 22:23:43,580 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/data/c7a481f90/44664cd55e4241ccb78261cb611399f0 [2022-11-25 22:23:43,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:23:43,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:23:43,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:43,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:23:43,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:23:43,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:43" (1/1) ... [2022-11-25 22:23:43,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6fe3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:43, skipping insertion in model container [2022-11-25 22:23:43,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:43" (1/1) ... [2022-11-25 22:23:43,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:23:43,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:23:46,731 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2022-11-25 22:23:46,738 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 22:23:46,752 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 22:23:46,754 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-11-25 22:23:46,757 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 22:23:46,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fe9e8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:46, skipping insertion in model container [2022-11-25 22:23:46,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:46,767 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:23:46,769 INFO L158 Benchmark]: Toolchain (without parser) took 3182.82ms. Allocated memory is still 190.8MB. Free memory was 149.6MB in the beginning and 102.3MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-25 22:23:46,770 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:23:46,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3179.42ms. Allocated memory is still 190.8MB. Free memory was 149.6MB in the beginning and 102.3MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-25 22:23:46,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3179.42ms. Allocated memory is still 190.8MB. Free memory was 149.6MB in the beginning and 102.3MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2858]: 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur --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 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:23:49,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:23:49,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:23:49,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:23:49,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:23:49,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:23:49,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:23:49,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:23:49,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:23:49,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:23:49,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:23:49,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:23:49,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:23:49,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:23:49,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:23:49,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:23:49,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:23:49,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:23:49,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:23:49,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:23:49,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:23:49,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:23:49,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:23:49,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:23:49,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:23:49,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:23:49,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:23:49,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:23:49,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:23:49,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:23:49,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:23:49,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:23:49,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:23:49,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:23:49,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:23:49,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:23:49,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:23:49,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:23:49,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:23:49,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:23:49,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:23:49,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-25 22:23:49,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:23:49,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:23:49,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:23:49,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:23:49,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:23:49,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:23:49,569 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:23:49,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:23:49,569 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:23:49,570 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:23:49,571 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:23:49,571 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:23:49,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 22:23:49,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 22:23:49,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:23:49,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:23:49,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:23:49,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:23:49,573 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 22:23:49,573 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 22:23:49,573 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 22:23:49,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:23:49,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:23:49,574 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:23:49,574 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:23:49,574 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:23:49,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:23:49,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:23:49,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:23:49,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:23:49,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:23:49,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:23:49,576 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:23:49,576 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:23:49,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:23:49,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:23:49,577 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_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2022-11-25 22:23:49,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:23:49,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:23:49,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:23:50,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:23:50,001 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:23:50,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-25 22:23:53,356 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:23:54,017 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:23:54,018 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-25 22:23:54,051 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/data/cf29ff0d8/cd20ea4aed3c49a9b36fe3091d9c6ac6/FLAG2567005d5 [2022-11-25 22:23:54,075 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/bin/utaipan-ByfvJB40ur/data/cf29ff0d8/cd20ea4aed3c49a9b36fe3091d9c6ac6 [2022-11-25 22:23:54,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:23:54,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:23:54,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:54,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:23:54,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:23:54,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:54" (1/1) ... [2022-11-25 22:23:54,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494323c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:54, skipping insertion in model container [2022-11-25 22:23:54,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:54" (1/1) ... [2022-11-25 22:23:54,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:23:54,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:23:56,801 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e70f3e-8379-44c3-b930-79a5334d50db/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2022-11-25 22:23:56,806 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 22:23:56,817 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 22:23:56,819 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-11-25 22:23:56,821 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 22:23:56,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9e9444f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:56, skipping insertion in model container [2022-11-25 22:23:56,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:56,823 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:23:56,825 INFO L158 Benchmark]: Toolchain (without parser) took 2744.12ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 49.4MB in the beginning and 73.1MB in the end (delta: -23.6MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-25 22:23:56,825 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:23:56,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2741.38ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 49.2MB in the beginning and 73.1MB in the end (delta: -23.9MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-25 22:23:56,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2741.38ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 49.2MB in the beginning and 73.1MB in the end (delta: -23.9MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2858]: 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