./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG --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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG --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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:30:58,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:30:58,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:30:58,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:30:58,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:30:58,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:30:58,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:30:58,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:30:58,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:30:58,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:30:58,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:30:58,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:30:58,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:30:58,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:30:58,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:30:58,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:30:58,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:30:58,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:30:58,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:30:58,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:30:58,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:30:58,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:30:58,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:30:58,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:30:58,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:30:58,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:30:58,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:30:58,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:30:58,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:30:58,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:30:58,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:30:58,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:30:58,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:30:58,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:30:58,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:30:58,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:30:58,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:30:58,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:30:58,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:30:58,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:30:58,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:30:58,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-29 05:30:58,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:30:58,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:30:58,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:30:58,319 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:30:58,319 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:30:58,319 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:30:58,320 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:30:58,320 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:30:58,320 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:30:58,320 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:30:58,321 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:30:58,322 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:30:58,322 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:30:58,322 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:30:58,323 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:30:58,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:30:58,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:30:58,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:30:58,325 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:30:58,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:30:58,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:30:58,325 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:30:58,326 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:30:58,326 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:30:58,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:30:58,326 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:30:58,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:30:58,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:30:58,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:30:58,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:30:58,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:30:58,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:30:58,330 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:30:58,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:30:58,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:30:58,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:30:58,331 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2021-10-29 05:30:58,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:30:58,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:30:58,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:30:58,715 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:30:58,716 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:30:58,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-29 05:30:58,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data/789907e87/fbacf784c59747e78d18d73056bf43ed/FLAG0bb7fc8e9 [2021-10-29 05:30:59,552 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:30:59,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-29 05:30:59,606 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data/789907e87/fbacf784c59747e78d18d73056bf43ed/FLAG0bb7fc8e9 [2021-10-29 05:30:59,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data/789907e87/fbacf784c59747e78d18d73056bf43ed [2021-10-29 05:30:59,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:30:59,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:30:59,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:30:59,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:30:59,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:30:59,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:30:59" (1/1) ... [2021-10-29 05:30:59,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb0f878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:30:59, skipping insertion in model container [2021-10-29 05:30:59,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:30:59" (1/1) ... [2021-10-29 05:30:59,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:30:59,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:31:00,924 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-29 05:31:00,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10c2542e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:31:00, skipping insertion in model container [2021-10-29 05:31:00,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:31:00,925 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:31:00,928 INFO L168 Benchmark]: Toolchain (without parser) took 1268.73 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 48.1 MB in the beginning and 72.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:31:00,928 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 69.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:31:00,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1265.77 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 47.9 MB in the beginning and 72.1 MB in the end (delta: -24.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:31:00,931 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 69.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1265.77 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 47.9 MB in the beginning and 72.1 MB in the end (delta: -24.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:31:03,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:31:03,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:31:03,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:31:03,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:31:03,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:31:03,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:31:03,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:31:03,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:31:03,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:31:03,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:31:03,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:31:03,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:31:03,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:31:03,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:31:03,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:31:03,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:31:03,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:31:03,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:31:03,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:31:03,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:31:03,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:31:03,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:31:03,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:31:03,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:31:03,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:31:03,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:31:03,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:31:03,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:31:03,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:31:03,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:31:03,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:31:03,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:31:03,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:31:03,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:31:03,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:31:03,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:31:03,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:31:03,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:31:03,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:31:03,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:31:03,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-29 05:31:03,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:31:03,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:31:03,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:31:03,208 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:31:03,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:31:03,208 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:31:03,208 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:31:03,208 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:31:03,209 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:31:03,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:31:03,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:31:03,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:31:03,212 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:31:03,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:31:03,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:31:03,213 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:31:03,213 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:31:03,214 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:31:03,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:31:03,214 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:31:03,214 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:31:03,214 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:31:03,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:31:03,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:31:03,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:31:03,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:31:03,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:31:03,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:31:03,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:31:03,216 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:31:03,217 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:31:03,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:31:03,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:31:03,217 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_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2021-10-29 05:31:03,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:31:03,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:31:03,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:31:03,601 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:31:03,602 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:31:03,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-29 05:31:03,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data/ec967ec1d/d6433388a5f84b15aa01a65a85830e64/FLAG23eca22ea [2021-10-29 05:31:04,447 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:31:04,448 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-29 05:31:04,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data/ec967ec1d/d6433388a5f84b15aa01a65a85830e64/FLAG23eca22ea [2021-10-29 05:31:04,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85ea918-36f2-471a-9d2b-a95046b2ce8a/bin/utaipan-SDwSMHVbGG/data/ec967ec1d/d6433388a5f84b15aa01a65a85830e64 [2021-10-29 05:31:04,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:31:04,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:31:04,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:31:04,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:31:04,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:31:04,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:31:04" (1/1) ... [2021-10-29 05:31:04,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a40d460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:31:04, skipping insertion in model container [2021-10-29 05:31:04,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:31:04" (1/1) ... [2021-10-29 05:31:04,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:31:04,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:31:06,212 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-29 05:31:06,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7bb19304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:31:06, skipping insertion in model container [2021-10-29 05:31:06,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:31:06,214 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:31:06,216 INFO L168 Benchmark]: Toolchain (without parser) took 1658.60 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 42.8 MB in the beginning and 61.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:31:06,217 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:31:06,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1655.55 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 42.5 MB in the beginning and 61.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:31:06,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1655.55 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 42.5 MB in the beginning and 61.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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...