./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur --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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- 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-38b53e6 [2022-11-25 23:20:03,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:20:03,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:20:03,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:20:03,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:20:03,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:20:03,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:20:03,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:20:03,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:20:03,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:20:03,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:20:03,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:20:03,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:20:03,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:20:03,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:20:03,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:20:03,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:20:03,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:20:03,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:20:03,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:20:03,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:20:03,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:20:03,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:20:03,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:20:03,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:20:03,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:20:03,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:20:03,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:20:03,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:20:03,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:20:03,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:20:03,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:20:03,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:20:03,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:20:03,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:20:03,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:20:03,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:20:03,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:20:03,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:20:03,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:20:03,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:20:03,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-25 23:20:03,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:20:03,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:20:03,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:20:03,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:20:03,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:20:03,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:20:03,347 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:20:03,347 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:20:03,348 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:20:03,348 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:20:03,349 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:20:03,349 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:20:03,349 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:20:03,350 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:20:03,350 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:20:03,350 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:20:03,350 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:20:03,350 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:20:03,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:20:03,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:20:03,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:20:03,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:20:03,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:20:03,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:20:03,353 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:20:03,353 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:20:03,353 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:20:03,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:20:03,353 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:20:03,354 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:20:03,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:20:03,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:20:03,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:20:03,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:20:03,355 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:20:03,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:20:03,355 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:20:03,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:20:03,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:20:03,355 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_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-11-25 23:20:03,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:20:03,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:20:03,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:20:03,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:20:03,766 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:20:03,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-25 23:20:06,793 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:20:07,290 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:20:07,292 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-25 23:20:07,334 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/data/23a06ada3/d90bde8b32624588a2aef04873466d5a/FLAGe71fe0d1c [2022-11-25 23:20:07,350 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/data/23a06ada3/d90bde8b32624588a2aef04873466d5a [2022-11-25 23:20:07,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:20:07,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:20:07,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:20:07,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:20:07,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:20:07,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:20:07" (1/1) ... [2022-11-25 23:20:07,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61bca422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:07, skipping insertion in model container [2022-11-25 23:20:07,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:20:07" (1/1) ... [2022-11-25 23:20:07,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:20:07,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:20:08,896 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:20:08,925 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:20:08,927 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-25 23:20:08,932 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:20:08,959 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:20:08,967 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-25 23:20:08,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f9998ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:08, skipping insertion in model container [2022-11-25 23:20:08,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:20:08,969 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:20:08,971 INFO L158 Benchmark]: Toolchain (without parser) took 1612.50ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 57.4MB in the beginning and 108.3MB in the end (delta: -50.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-25 23:20:08,971 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:20:08,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1605.95ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 57.2MB in the beginning and 108.3MB in the end (delta: -51.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-25 23:20:08,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1605.95ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 57.2MB in the beginning and 108.3MB in the end (delta: -51.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur --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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- 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-38b53e6 [2022-11-25 23:20:11,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:20:11,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:20:11,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:20:11,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:20:11,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:20:11,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:20:11,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:20:11,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:20:11,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:20:11,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:20:11,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:20:11,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:20:11,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:20:11,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:20:11,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:20:11,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:20:11,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:20:11,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:20:11,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:20:11,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:20:11,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:20:11,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:20:11,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:20:11,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:20:11,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:20:11,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:20:11,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:20:11,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:20:11,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:20:11,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:20:11,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:20:11,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:20:11,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:20:11,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:20:11,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:20:11,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:20:11,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:20:11,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:20:11,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:20:11,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:20:11,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-25 23:20:11,414 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:20:11,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:20:11,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:20:11,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:20:11,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:20:11,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:20:11,417 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:20:11,417 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:20:11,417 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:20:11,417 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:20:11,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:20:11,419 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:20:11,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:20:11,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:20:11,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:20:11,420 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:20:11,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:20:11,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:20:11,421 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:20:11,421 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:20:11,421 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:20:11,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:20:11,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:20:11,422 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:20:11,422 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:20:11,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:20:11,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:20:11,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:20:11,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:20:11,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:20:11,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:20:11,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:20:11,425 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:20:11,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:20:11,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:20:11,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:20:11,426 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_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-11-25 23:20:11,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:20:11,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:20:11,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:20:11,806 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:20:11,806 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:20:11,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-25 23:20:14,906 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:20:15,409 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:20:15,410 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-25 23:20:15,458 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/data/41da3997e/e106681d433a4809868871da6a288519/FLAG8d6fcc5a2 [2022-11-25 23:20:15,487 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da8ad8a5-2185-4fac-be18-16eaa8042d58/bin/utaipan-ByfvJB40ur/data/41da3997e/e106681d433a4809868871da6a288519 [2022-11-25 23:20:15,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:20:15,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:20:15,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:20:15,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:20:15,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:20:15,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:20:15" (1/1) ... [2022-11-25 23:20:15,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d05889e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:15, skipping insertion in model container [2022-11-25 23:20:15,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:20:15" (1/1) ... [2022-11-25 23:20:15,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:20:15,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:20:17,082 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:20:17,095 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:20:17,101 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-25 23:20:17,107 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:20:17,117 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:20:17,121 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-25 23:20:17,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68dea5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:17, skipping insertion in model container [2022-11-25 23:20:17,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:20:17,123 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:20:17,125 INFO L158 Benchmark]: Toolchain (without parser) took 1629.89ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 28.3MB in the beginning and 49.6MB in the end (delta: -21.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-25 23:20:17,125 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:20:17,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1625.54ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 28.1MB in the beginning and 49.6MB in the end (delta: -21.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-25 23:20:17,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1625.54ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 28.1MB in the beginning and 49.6MB in the end (delta: -21.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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