./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh --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 eaa36f8d6fc928ee870d520d90a886e60cc81c38519aca196541cff2c50d5a00 --- 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-2329fc7 [2022-12-14 03:05:54,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:05:54,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:05:54,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:05:54,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:05:54,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:05:54,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:05:54,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:05:54,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:05:54,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:05:54,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:05:54,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:05:54,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:05:54,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:05:54,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:05:54,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:05:54,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:05:54,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:05:54,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:05:54,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:05:54,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:05:54,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:05:54,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:05:54,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:05:54,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:05:54,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:05:54,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:05:54,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:05:54,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:05:54,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:05:54,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:05:54,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:05:54,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:05:54,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:05:54,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:05:54,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:05:54,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:05:54,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:05:54,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:05:54,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:05:54,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:05:54,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 03:05:54,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:05:54,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:05:54,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:05:54,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:05:54,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:05:54,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:05:54,275 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:05:54,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:05:54,276 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:05:54,276 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 03:05:54,276 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:05:54,276 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:05:54,276 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 03:05:54,276 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 03:05:54,276 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:05:54,277 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 03:05:54,277 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 03:05:54,277 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 03:05:54,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 03:05:54,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 03:05:54,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:05:54,278 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 03:05:54,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 03:05:54,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:05:54,278 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 03:05:54,278 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 03:05:54,278 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 03:05:54,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:05:54,279 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 03:05:54,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:05:54,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:05:54,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:05:54,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:05:54,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:05:54,280 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 03:05:54,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:05:54,280 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 03:05:54,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 03:05:54,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:05:54,280 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_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa36f8d6fc928ee870d520d90a886e60cc81c38519aca196541cff2c50d5a00 [2022-12-14 03:05:54,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:05:54,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:05:54,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:05:54,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:05:54,486 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:05:54,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-3.i [2022-12-14 03:05:57,100 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:05:57,456 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:05:57,457 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-3.i [2022-12-14 03:05:57,485 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/data/167b4acbb/737f66d702b4486c88d983f5fd48a040/FLAG0d1d66937 [2022-12-14 03:05:57,496 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/data/167b4acbb/737f66d702b4486c88d983f5fd48a040 [2022-12-14 03:05:57,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:05:57,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:05:57,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:05:57,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:05:57,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:05:57,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0d3c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57, skipping insertion in model container [2022-12-14 03:05:57,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:05:57,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:05:59,115 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_e55b3d88-7b23-45d0-8e46-000962c30abd/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-3.i[113333,113346] [2022-12-14 03:05:59,120 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 03:05:59,128 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 03:05:59,129 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 03:05:59,131 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 03:05:59,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75f5baa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:59, skipping insertion in model container [2022-12-14 03:05:59,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:05:59,132 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 03:05:59,134 INFO L158 Benchmark]: Toolchain (without parser) took 1634.21ms. Allocated memory is still 136.3MB. Free memory was 93.7MB in the beginning and 95.5MB in the end (delta: -1.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-12-14 03:05:59,135 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:05:59,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1632.46ms. Allocated memory is still 136.3MB. Free memory was 93.3MB in the beginning and 95.5MB in the end (delta: -2.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-12-14 03:05:59,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1632.46ms. Allocated memory is still 136.3MB. Free memory was 93.3MB in the beginning and 95.5MB in the end (delta: -2.2MB). Peak memory consumption was 56.6MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh --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 eaa36f8d6fc928ee870d520d90a886e60cc81c38519aca196541cff2c50d5a00 --- 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-2329fc7 [2022-12-14 03:06:00,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:06:00,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:06:00,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:06:00,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:06:00,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:06:00,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:06:00,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:06:00,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:06:00,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:06:00,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:06:00,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:06:00,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:06:00,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:06:00,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:06:00,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:06:00,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:06:00,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:06:00,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:06:00,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:06:00,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:06:00,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:06:00,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:06:00,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:06:00,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:06:00,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:06:00,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:06:00,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:06:00,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:06:00,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:06:00,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:06:00,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:06:00,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:06:00,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:06:00,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:06:00,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:06:00,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:06:00,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:06:00,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:06:00,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:06:00,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:06:00,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 03:06:00,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:06:00,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:06:00,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:06:00,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:06:00,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:06:00,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:06:00,515 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:06:00,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:06:00,515 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:06:00,516 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:06:00,516 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:06:00,516 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:06:00,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 03:06:00,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 03:06:00,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:06:00,517 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 03:06:00,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 03:06:00,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:06:00,518 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 03:06:00,518 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 03:06:00,518 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 03:06:00,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:06:00,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 03:06:00,519 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 03:06:00,519 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 03:06:00,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:06:00,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:06:00,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 03:06:00,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:06:00,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:06:00,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:06:00,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:06:00,520 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 03:06:00,521 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 03:06:00,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:06:00,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 03:06:00,521 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_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa36f8d6fc928ee870d520d90a886e60cc81c38519aca196541cff2c50d5a00 [2022-12-14 03:06:00,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:06:00,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:06:00,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:06:00,755 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:06:00,755 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:06:00,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-3.i [2022-12-14 03:06:03,385 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:06:03,731 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:06:03,732 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-3.i [2022-12-14 03:06:03,753 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/data/24e9aeac2/ceb6526494e64a29af702d86e191ff58/FLAG8c66351b4 [2022-12-14 03:06:03,764 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55b3d88-7b23-45d0-8e46-000962c30abd/bin/utaipan-gh47qXpMRh/data/24e9aeac2/ceb6526494e64a29af702d86e191ff58 [2022-12-14 03:06:03,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:06:03,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:06:03,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:06:03,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:06:03,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:06:03,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:06:03" (1/1) ... [2022-12-14 03:06:03,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d029918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:03, skipping insertion in model container [2022-12-14 03:06:03,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:06:03" (1/1) ... [2022-12-14 03:06:03,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:06:03,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:06:05,181 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_e55b3d88-7b23-45d0-8e46-000962c30abd/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-3.i[113333,113346] [2022-12-14 03:06:05,185 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 03:06:05,192 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 03:06:05,193 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 03:06:05,194 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 03:06:05,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f1b4503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:05, skipping insertion in model container [2022-12-14 03:06:05,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:06:05,195 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 03:06:05,196 INFO L158 Benchmark]: Toolchain (without parser) took 1428.84ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 40.5MB in the end (delta: 11.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-14 03:06:05,196 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:06:05,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.23ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 40.5MB in the end (delta: 11.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-14 03:06:05,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.23ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 40.5MB in the end (delta: 11.9MB). Peak memory consumption was 21.8MB. 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