./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-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_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/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_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/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_26807be7-9981-450e-b5d5-61b922532abd/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 a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe --- 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 08:41:06,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:41:06,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:41:06,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:41:06,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:41:06,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:41:06,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:41:06,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:41:06,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:41:06,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:41:06,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:41:06,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:41:06,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:41:06,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:41:06,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:41:06,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:41:06,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:41:06,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:41:06,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:41:06,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:41:06,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:41:06,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:41:06,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:41:06,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:41:06,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:41:06,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:41:06,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:41:06,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:41:06,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:41:06,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:41:06,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:41:06,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:41:06,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:41:06,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:41:06,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:41:06,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:41:06,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:41:06,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:41:06,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:41:06,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:41:06,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:41:06,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 08:41:06,339 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:41:06,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:41:06,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:41:06,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:41:06,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:41:06,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:41:06,340 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:41:06,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:41:06,346 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:41:06,346 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:41:06,346 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:41:06,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:41:06,347 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:41:06,347 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:41:06,347 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:41:06,347 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:41:06,348 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:41:06,348 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:41:06,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 08:41:06,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 08:41:06,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:41:06,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:41:06,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:41:06,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:41:06,349 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 08:41:06,350 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 08:41:06,350 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 08:41:06,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:41:06,350 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:41:06,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:41:06,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:41:06,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:41:06,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:41:06,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:41:06,351 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:41:06,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:41:06,352 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:41:06,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:41:06,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:41:06,352 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_26807be7-9981-450e-b5d5-61b922532abd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2022-12-14 08:41:06,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:41:06,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:41:06,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:41:06,590 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:41:06,590 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:41:06,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-12-14 08:41:09,101 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:41:09,483 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:41:09,484 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-12-14 08:41:09,514 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/data/74edcf227/609dc6004ce147c1a6a2fef7559defbb/FLAG6a1e49826 [2022-12-14 08:41:09,674 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/data/74edcf227/609dc6004ce147c1a6a2fef7559defbb [2022-12-14 08:41:09,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:41:09,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:41:09,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:41:09,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:41:09,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:41:09,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:41:09" (1/1) ... [2022-12-14 08:41:09,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b34d284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:09, skipping insertion in model container [2022-12-14 08:41:09,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:41:09" (1/1) ... [2022-12-14 08:41:09,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:41:09,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:41:10,834 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 08:41:10,835 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 08:41:10,836 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 08:41:10,837 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 08:41:10,838 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 08:41:10,845 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 08:41:10,849 WARN L623 FunctionHandler]: Unknown extern function cfgetispeed [2022-12-14 08:41:10,850 WARN L623 FunctionHandler]: Unknown extern function cfgetospeed [2022-12-14 08:41:10,852 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2022-12-14 08:41:10,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@727fbcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:10, skipping insertion in model container [2022-12-14 08:41:10,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:41:10,853 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 08:41:10,855 INFO L158 Benchmark]: Toolchain (without parser) took 1177.16ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 70.7MB in the end (delta: 22.7MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-12-14 08:41:10,855 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:41:10,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1175.55ms. Allocated memory is still 134.2MB. Free memory was 93.0MB in the beginning and 70.7MB in the end (delta: 22.3MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-12-14 08:41:10,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1175.55ms. Allocated memory is still 134.2MB. Free memory was 93.0MB in the beginning and 70.7MB in the end (delta: 22.3MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf 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_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/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_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/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_26807be7-9981-450e-b5d5-61b922532abd/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 a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe --- 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 08:41:12,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:41:12,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:41:12,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:41:12,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:41:12,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:41:12,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:41:12,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:41:12,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:41:12,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:41:12,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:41:12,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:41:12,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:41:12,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:41:12,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:41:12,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:41:12,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:41:12,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:41:12,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:41:12,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:41:12,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:41:12,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:41:12,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:41:12,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:41:12,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:41:12,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:41:12,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:41:12,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:41:12,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:41:12,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:41:12,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:41:12,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:41:12,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:41:12,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:41:12,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:41:12,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:41:12,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:41:12,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:41:12,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:41:12,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:41:12,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:41:12,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 08:41:12,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:41:12,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:41:12,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:41:12,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:41:12,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:41:12,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:41:12,312 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:41:12,313 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:41:12,313 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:41:12,313 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:41:12,313 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:41:12,313 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:41:12,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 08:41:12,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 08:41:12,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:41:12,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:41:12,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:41:12,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:41:12,314 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 08:41:12,314 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 08:41:12,315 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 08:41:12,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:41:12,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:41:12,315 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:41:12,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:41:12,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:41:12,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:41:12,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:41:12,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:41:12,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:41:12,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:41:12,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:41:12,316 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:41:12,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:41:12,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:41:12,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:41:12,317 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_26807be7-9981-450e-b5d5-61b922532abd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2022-12-14 08:41:12,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:41:12,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:41:12,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:41:12,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:41:12,577 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:41:12,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-12-14 08:41:15,156 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:41:15,520 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:41:15,520 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-12-14 08:41:15,548 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/data/5809d4651/bd10e9ed95b84bfab6b7f2377936bfbe/FLAG41733cbdc [2022-12-14 08:41:15,709 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26807be7-9981-450e-b5d5-61b922532abd/bin/utaipan-gh47qXpMRh/data/5809d4651/bd10e9ed95b84bfab6b7f2377936bfbe [2022-12-14 08:41:15,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:41:15,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:41:15,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:41:15,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:41:15,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:41:15,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:41:15" (1/1) ... [2022-12-14 08:41:15,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c69c833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:15, skipping insertion in model container [2022-12-14 08:41:15,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:41:15" (1/1) ... [2022-12-14 08:41:15,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:41:15,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:41:17,029 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 08:41:17,030 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 08:41:17,031 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 08:41:17,032 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 08:41:17,034 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 08:41:17,044 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 08:41:17,050 WARN L623 FunctionHandler]: Unknown extern function cfgetispeed [2022-12-14 08:41:17,050 WARN L623 FunctionHandler]: Unknown extern function cfgetospeed [2022-12-14 08:41:17,054 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2022-12-14 08:41:17,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50149bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:17, skipping insertion in model container [2022-12-14 08:41:17,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:41:17,055 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 08:41:17,057 INFO L158 Benchmark]: Toolchain (without parser) took 1342.93ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 44.0MB in the beginning and 54.1MB in the end (delta: -10.0MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-12-14 08:41:17,057 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 73.4MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:41:17,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.89ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 44.0MB in the beginning and 54.1MB in the end (delta: -10.0MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-12-14 08:41:17,060 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 73.4MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.89ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 44.0MB in the beginning and 54.1MB in the end (delta: -10.0MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf 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