./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/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_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/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_f962e628-1cf6-4cd8-a760-715e8378ed25/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 c63b21f7a682a04747e33e99b370c56eb0587876361598f770f41e1686fc8817 --- 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 15:54:08,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:54:08,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:54:08,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:54:08,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:54:08,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:54:08,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:54:08,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:54:08,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:54:08,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:54:08,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:54:08,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:54:08,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:54:08,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:54:08,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:54:08,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:54:08,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:54:08,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:54:08,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:54:08,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:54:08,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:54:08,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:54:08,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:54:08,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:54:08,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:54:08,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:54:08,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:54:08,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:54:08,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:54:08,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:54:08,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:54:08,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:54:08,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:54:08,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:54:08,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:54:08,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:54:08,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:54:08,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:54:08,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:54:08,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:54:08,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:54:08,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 15:54:08,135 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:54:08,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:54:08,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:54:08,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:54:08,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:54:08,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:54:08,136 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:54:08,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:54:08,137 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:54:08,137 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:54:08,137 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:54:08,137 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:54:08,137 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:54:08,137 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:54:08,138 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:54:08,138 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:54:08,138 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:54:08,138 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:54:08,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 15:54:08,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 15:54:08,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:54:08,139 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:54:08,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:54:08,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:54:08,140 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 15:54:08,140 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 15:54:08,140 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 15:54:08,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:54:08,140 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:54:08,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:54:08,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:54:08,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:54:08,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:54:08,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:54:08,142 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:54:08,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:54:08,142 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:54:08,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:54:08,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:54:08,142 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_f962e628-1cf6-4cd8-a760-715e8378ed25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c63b21f7a682a04747e33e99b370c56eb0587876361598f770f41e1686fc8817 [2022-12-14 15:54:08,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:54:08,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:54:08,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:54:08,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:54:08,343 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:54:08,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2022-12-14 15:54:11,007 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:54:11,254 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:54:11,255 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2022-12-14 15:54:11,272 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/data/14d49d20b/cbb4e672091e47f79be75897c5711bd8/FLAG77cc56913 [2022-12-14 15:54:11,282 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/data/14d49d20b/cbb4e672091e47f79be75897c5711bd8 [2022-12-14 15:54:11,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:54:11,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:54:11,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:54:11,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:54:11,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:54:11,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:54:11" (1/1) ... [2022-12-14 15:54:11,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b78cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:54:11, skipping insertion in model container [2022-12-14 15:54:11,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:54:11" (1/1) ... [2022-12-14 15:54:11,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:54:11,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:54:12,307 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 15:54:12,309 WARN L623 FunctionHandler]: Unknown extern function strtol [2022-12-14 15:54:12,312 WARN L623 FunctionHandler]: Unknown extern function strtoll [2022-12-14 15:54:12,314 WARN L623 FunctionHandler]: Unknown extern function strtoull [2022-12-14 15:54:12,315 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 15:54:12,323 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 15:54:12,324 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103699,103712] [2022-12-14 15:54:12,326 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103875,103888] [2022-12-14 15:54:12,327 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104048,104061] [2022-12-14 15:54:12,327 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104259,104272] [2022-12-14 15:54:12,329 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104572,104585] [2022-12-14 15:54:12,329 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 15:54:12,333 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2022-12-14 15:54:12,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e3dd653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:54:12, skipping insertion in model container [2022-12-14 15:54:12,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:54:12,333 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:54:12,335 INFO L158 Benchmark]: Toolchain (without parser) took 1049.01ms. Allocated memory is still 163.6MB. Free memory was 97.2MB in the beginning and 105.1MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 15:54:12,335 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 66.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:54:12,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1047.42ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 105.1MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 15:54:12,337 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 100.7MB. Free memory was 66.3MB in the beginning and 66.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1047.42ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 105.1MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/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_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/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_f962e628-1cf6-4cd8-a760-715e8378ed25/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 c63b21f7a682a04747e33e99b370c56eb0587876361598f770f41e1686fc8817 --- 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 15:54:13,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:54:13,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:54:13,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:54:13,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:54:13,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:54:13,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:54:13,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:54:13,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:54:13,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:54:13,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:54:13,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:54:13,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:54:13,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:54:13,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:54:13,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:54:13,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:54:13,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:54:13,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:54:13,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:54:13,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:54:13,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:54:13,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:54:13,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:54:13,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:54:13,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:54:13,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:54:13,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:54:13,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:54:13,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:54:13,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:54:13,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:54:13,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:54:13,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:54:13,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:54:13,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:54:13,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:54:13,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:54:13,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:54:13,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:54:13,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:54:13,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 15:54:13,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:54:13,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:54:13,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:54:13,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:54:13,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:54:13,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:54:13,924 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:54:13,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:54:13,924 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:54:13,924 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:54:13,924 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:54:13,924 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:54:13,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 15:54:13,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 15:54:13,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:54:13,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:54:13,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:54:13,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:54:13,926 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 15:54:13,926 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 15:54:13,926 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 15:54:13,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:54:13,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:54:13,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:54:13,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:54:13,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:54:13,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:54:13,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:54:13,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:54:13,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:54:13,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:54:13,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:54:13,932 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:54:13,932 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:54:13,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:54:13,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:54:13,933 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_f962e628-1cf6-4cd8-a760-715e8378ed25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c63b21f7a682a04747e33e99b370c56eb0587876361598f770f41e1686fc8817 [2022-12-14 15:54:14,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:54:14,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:54:14,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:54:14,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:54:14,193 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:54:14,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2022-12-14 15:54:16,814 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:54:17,083 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:54:17,083 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2022-12-14 15:54:17,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/data/07b0f966b/572cab3cda174850a63c2728962ea07b/FLAGf7dc3c42c [2022-12-14 15:54:17,110 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f962e628-1cf6-4cd8-a760-715e8378ed25/bin/utaipan-gh47qXpMRh/data/07b0f966b/572cab3cda174850a63c2728962ea07b [2022-12-14 15:54:17,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:54:17,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:54:17,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:54:17,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:54:17,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:54:17,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:54:17" (1/1) ... [2022-12-14 15:54:17,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef18840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:54:17, skipping insertion in model container [2022-12-14 15:54:17,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:54:17" (1/1) ... [2022-12-14 15:54:17,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:54:17,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:54:18,118 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 15:54:18,121 WARN L623 FunctionHandler]: Unknown extern function strtol [2022-12-14 15:54:18,124 WARN L623 FunctionHandler]: Unknown extern function strtoll [2022-12-14 15:54:18,125 WARN L623 FunctionHandler]: Unknown extern function strtoull [2022-12-14 15:54:18,127 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 15:54:18,136 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 15:54:18,137 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103699,103712] [2022-12-14 15:54:18,140 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103875,103888] [2022-12-14 15:54:18,141 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104048,104061] [2022-12-14 15:54:18,142 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104259,104272] [2022-12-14 15:54:18,143 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_f962e628-1cf6-4cd8-a760-715e8378ed25/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104572,104585] [2022-12-14 15:54:18,144 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 15:54:18,148 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2022-12-14 15:54:18,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63855156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:54:18, skipping insertion in model container [2022-12-14 15:54:18,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:54:18,149 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:54:18,150 INFO L158 Benchmark]: Toolchain (without parser) took 1036.72ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.2MB in the beginning and 55.1MB in the end (delta: -12.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-12-14 15:54:18,151 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:54:18,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1035.13ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.0MB in the beginning and 55.1MB in the end (delta: -13.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-12-14 15:54:18,152 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 69.2MB. Free memory was 48.0MB in the beginning and 48.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1035.13ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.0MB in the beginning and 55.1MB in the end (delta: -13.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN