./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.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_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/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_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/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_e00590a0-efd2-49d7-ad03-721a4383d994/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 d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 --- 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 11:12:27,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:12:27,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:12:27,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:12:27,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:12:27,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:12:27,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:12:27,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:12:27,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:12:27,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:12:27,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:12:27,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:12:27,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:12:27,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:12:27,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:12:27,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:12:27,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:12:27,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:12:27,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:12:27,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:12:27,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:12:27,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:12:27,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:12:27,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:12:27,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:12:27,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:12:27,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:12:27,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:12:27,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:12:27,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:12:27,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:12:27,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:12:27,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:12:27,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:12:27,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:12:27,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:12:27,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:12:27,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:12:27,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:12:27,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:12:27,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:12:27,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 11:12:27,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:12:27,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:12:27,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:12:27,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:12:27,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:12:27,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:12:27,126 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:12:27,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:12:27,126 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:12:27,126 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:12:27,127 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:12:27,127 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:12:27,127 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:12:27,127 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:12:27,127 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:12:27,128 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:12:27,128 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:12:27,128 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:12:27,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 11:12:27,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 11:12:27,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:12:27,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:12:27,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:12:27,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:12:27,130 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 11:12:27,130 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 11:12:27,130 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 11:12:27,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:12:27,130 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 11:12:27,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:12:27,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:12:27,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:12:27,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:12:27,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:12:27,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:12:27,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:12:27,132 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:12:27,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:12:27,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:12:27,133 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_e00590a0-efd2-49d7-ad03-721a4383d994/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2022-12-14 11:12:27,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:12:27,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:12:27,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:12:27,334 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:12:27,335 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:12:27,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2022-12-14 11:12:30,005 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:12:30,275 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:12:30,276 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2022-12-14 11:12:30,293 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/data/a552eeef9/539a2f3b420b4570b465146fdf94676f/FLAGc9889777b [2022-12-14 11:12:30,305 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/data/a552eeef9/539a2f3b420b4570b465146fdf94676f [2022-12-14 11:12:30,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:12:30,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:12:30,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:12:30,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:12:30,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:12:30,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:12:30" (1/1) ... [2022-12-14 11:12:30,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c98b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:30, skipping insertion in model container [2022-12-14 11:12:30,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:12:30" (1/1) ... [2022-12-14 11:12:30,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:12:30,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:12:31,364 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-12-14 11:12:31,370 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 11:12:31,371 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 11:12:31,373 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 11:12:31,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b68cf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:31, skipping insertion in model container [2022-12-14 11:12:31,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:12:31,374 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 11:12:31,375 INFO L158 Benchmark]: Toolchain (without parser) took 1066.62ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 79.2MB in the beginning and 136.3MB in the end (delta: -57.1MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2022-12-14 11:12:31,376 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory was 63.1MB in the beginning and 62.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:12:31,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1065.01ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 78.8MB in the beginning and 136.4MB in the end (delta: -57.6MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2022-12-14 11:12:31,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory was 63.1MB in the beginning and 62.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1065.01ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 78.8MB in the beginning and 136.4MB in the end (delta: -57.6MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/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_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/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_e00590a0-efd2-49d7-ad03-721a4383d994/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 d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 --- 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 11:12:32,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:12:32,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:12:32,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:12:32,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:12:32,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:12:32,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:12:32,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:12:32,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:12:32,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:12:32,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:12:32,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:12:32,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:12:32,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:12:32,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:12:32,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:12:32,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:12:32,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:12:32,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:12:32,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:12:32,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:12:32,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:12:32,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:12:32,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:12:32,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:12:32,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:12:32,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:12:32,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:12:32,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:12:32,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:12:32,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:12:32,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:12:32,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:12:32,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:12:32,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:12:32,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:12:32,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:12:32,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:12:32,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:12:32,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:12:32,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:12:32,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 11:12:32,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:12:32,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:12:32,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:12:32,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:12:32,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:12:32,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:12:32,795 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:12:32,795 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:12:32,795 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:12:32,795 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:12:32,795 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:12:32,795 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:12:32,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 11:12:32,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 11:12:32,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:12:32,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:12:32,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:12:32,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:12:32,797 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 11:12:32,797 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 11:12:32,797 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 11:12:32,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:12:32,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 11:12:32,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 11:12:32,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 11:12:32,797 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:12:32,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:12:32,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 11:12:32,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:12:32,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:12:32,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:12:32,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:12:32,798 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 11:12:32,798 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 11:12:32,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:12:32,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 11:12:32,799 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_e00590a0-efd2-49d7-ad03-721a4383d994/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2022-12-14 11:12:33,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:12:33,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:12:33,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:12:33,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:12:33,023 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:12:33,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2022-12-14 11:12:35,615 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:12:35,922 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:12:35,923 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2022-12-14 11:12:35,949 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/data/12f37dc5f/c774ccab08bd4da6a64aeaf723b42c84/FLAGcee1fcf6b [2022-12-14 11:12:35,963 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00590a0-efd2-49d7-ad03-721a4383d994/bin/utaipan-gh47qXpMRh/data/12f37dc5f/c774ccab08bd4da6a64aeaf723b42c84 [2022-12-14 11:12:35,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:12:35,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:12:35,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:12:35,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:12:35,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:12:35,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:12:35" (1/1) ... [2022-12-14 11:12:35,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5960e395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:35, skipping insertion in model container [2022-12-14 11:12:35,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:12:35" (1/1) ... [2022-12-14 11:12:35,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:12:36,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:12:36,892 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-12-14 11:12:36,896 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 11:12:36,897 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 11:12:36,899 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 11:12:36,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@121c3c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:36, skipping insertion in model container [2022-12-14 11:12:36,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:12:36,900 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 11:12:36,901 INFO L158 Benchmark]: Toolchain (without parser) took 933.99ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 40.7MB in the end (delta: 11.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-14 11:12:36,901 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:12:36,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 931.82ms. Allocated memory is still 79.7MB. Free memory was 52.0MB in the beginning and 40.7MB in the end (delta: 11.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-14 11:12:36,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 931.82ms. Allocated memory is still 79.7MB. Free memory was 52.0MB in the beginning and 40.7MB in the end (delta: 11.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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