./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/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_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/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_29aba1ca-8699-49e1-ac0c-2b07a92515f4/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_29aba1ca-8699-49e1-ac0c-2b07a92515f4/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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- 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 23:55:20,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:55:20,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:55:20,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:55:20,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:55:20,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:55:20,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:55:20,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:55:20,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:55:20,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:55:20,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:55:20,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:55:20,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:55:20,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:55:20,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:55:20,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:55:20,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:55:20,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:55:20,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:55:20,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:55:20,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:55:20,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:55:20,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:55:20,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:55:20,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:55:20,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:55:20,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:55:20,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:55:20,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:55:20,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:55:20,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:55:20,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:55:20,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:55:20,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:55:20,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:55:20,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:55:20,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:55:20,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:55:20,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:55:20,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:55:20,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:55:20,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-25 23:55:20,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:55:20,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:55:20,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:55:20,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:55:20,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:55:20,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:55:20,865 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:55:20,865 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:55:20,865 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:55:20,866 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:55:20,867 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:55:20,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:55:20,867 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:55:20,867 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:55:20,868 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:55:20,868 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:55:20,868 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:55:20,868 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:55:20,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:55:20,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:55:20,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:55:20,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:55:20,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:55:20,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:55:20,871 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:55:20,871 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:55:20,871 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:55:20,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:55:20,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:55:20,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:55:20,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:55:20,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:55:20,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:55:20,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:55:20,873 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:55:20,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:55:20,874 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:55:20,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:55:20,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:55:20,874 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_29aba1ca-8699-49e1-ac0c-2b07a92515f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-25 23:55:21,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:55:21,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:55:21,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:55:21,186 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:55:21,187 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:55:21,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-25 23:55:24,374 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:55:24,825 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:55:24,826 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-25 23:55:24,868 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/data/d6868f932/692f0b7bc2844ae9987bd7fae3049f84/FLAG0fe07a61e [2022-11-25 23:55:24,883 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/data/d6868f932/692f0b7bc2844ae9987bd7fae3049f84 [2022-11-25 23:55:24,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:55:24,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:55:24,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:24,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:55:24,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:55:24,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:24" (1/1) ... [2022-11-25 23:55:24,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f32334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:24, skipping insertion in model container [2022-11-25 23:55:24,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:24" (1/1) ... [2022-11-25 23:55:24,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:55:24,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:55:26,553 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:55:26,555 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-25 23:55:26,558 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:55:26,571 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:55:26,573 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:55:26,575 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:55:26,577 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 [2022-11-25 23:55:26,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5147a600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:26, skipping insertion in model container [2022-11-25 23:55:26,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:26,578 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:55:26,580 INFO L158 Benchmark]: Toolchain (without parser) took 1690.77ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 76.5MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 23:55:26,581 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:55:26,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1687.05ms. Allocated memory is still 155.2MB. Free memory was 103.6MB in the beginning and 76.5MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 23:55:26,583 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 155.2MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1687.05ms. Allocated memory is still 155.2MB. Free memory was 103.6MB in the beginning and 76.5MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/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_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/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_29aba1ca-8699-49e1-ac0c-2b07a92515f4/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_29aba1ca-8699-49e1-ac0c-2b07a92515f4/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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- 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 23:55:28,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:55:28,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:55:29,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:55:29,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:55:29,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:55:29,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:55:29,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:55:29,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:55:29,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:55:29,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:55:29,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:55:29,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:55:29,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:55:29,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:55:29,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:55:29,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:55:29,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:55:29,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:55:29,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:55:29,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:55:29,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:55:29,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:55:29,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:55:29,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:55:29,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:55:29,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:55:29,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:55:29,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:55:29,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:55:29,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:55:29,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:55:29,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:55:29,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:55:29,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:55:29,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:55:29,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:55:29,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:55:29,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:55:29,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:55:29,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:55:29,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-25 23:55:29,154 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:55:29,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:55:29,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:55:29,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:55:29,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:55:29,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:55:29,156 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:55:29,157 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:55:29,157 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:55:29,157 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:55:29,158 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:55:29,158 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:55:29,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:55:29,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:55:29,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:55:29,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:55:29,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:55:29,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:55:29,160 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:55:29,160 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:55:29,160 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:55:29,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:55:29,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:55:29,161 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:55:29,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:55:29,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:55:29,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:55:29,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:55:29,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:55:29,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:55:29,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:55:29,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:55:29,163 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:55:29,163 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:55:29,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:55:29,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:55:29,164 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_29aba1ca-8699-49e1-ac0c-2b07a92515f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-25 23:55:29,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:55:29,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:55:29,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:55:29,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:55:29,609 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:55:29,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-25 23:55:32,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:55:33,450 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:55:33,450 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-25 23:55:33,490 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/data/7a563e477/464ef2fa09aa4cb89daf85bc66e0dd02/FLAG495ffbc5a [2022-11-25 23:55:33,510 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29aba1ca-8699-49e1-ac0c-2b07a92515f4/bin/utaipan-ByfvJB40ur/data/7a563e477/464ef2fa09aa4cb89daf85bc66e0dd02 [2022-11-25 23:55:33,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:55:33,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:55:33,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:33,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:55:33,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:55:33,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:33" (1/1) ... [2022-11-25 23:55:33,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfa652c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:33, skipping insertion in model container [2022-11-25 23:55:33,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:33" (1/1) ... [2022-11-25 23:55:33,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:55:33,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:55:34,795 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:55:34,800 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-25 23:55:34,804 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:55:34,830 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:55:34,832 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:55:34,834 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:55:34,836 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 [2022-11-25 23:55:34,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c31f41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:34, skipping insertion in model container [2022-11-25 23:55:34,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:34,837 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:55:34,839 INFO L158 Benchmark]: Toolchain (without parser) took 1323.74ms. Allocated memory is still 88.1MB. Free memory was 61.1MB in the beginning and 51.3MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:55:34,839 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 65.0MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:55:34,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1321.15ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 51.3MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:55:34,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 65.0MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1321.15ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 51.3MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. 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