./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 8393723b 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_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/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_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 08:15:37,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:15:37,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:15:37,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:15:37,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:15:37,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:15:37,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:15:37,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:15:37,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:15:37,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:15:37,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:15:37,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:15:37,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:15:37,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:15:37,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:15:37,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:15:37,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:15:37,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:15:37,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:15:37,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:15:37,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:15:37,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:15:37,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:15:37,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:15:37,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:15:37,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:15:37,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:15:37,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:15:37,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:15:37,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:15:37,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:15:37,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:15:37,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:15:37,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:15:37,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:15:37,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:15:37,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:15:37,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:15:37,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:15:37,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:15:37,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:15:37,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-19 08:15:37,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:15:37,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:15:37,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:15:37,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:15:37,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:15:37,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:15:37,523 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:15:37,523 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:15:37,523 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:15:37,524 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:15:37,524 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:15:37,524 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:15:37,525 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:15:37,525 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:15:37,525 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:15:37,525 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:15:37,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:15:37,526 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:15:37,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:15:37,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:15:37,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:15:37,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:15:37,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:15:37,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:15:37,528 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:15:37,528 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:15:37,529 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 08:15:37,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:15:37,529 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:15:37,530 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:15:37,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:15:37,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:15:37,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:15:37,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:15:37,531 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:15:37,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:15:37,532 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:15:37,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:15:37,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:15:37,532 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_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-11-19 08:15:37,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:15:37,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:15:37,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:15:37,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:15:37,915 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:15:37,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-19 08:15:37,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data/a29fbb403/7391d11756bc4d97a1d447abd8d0766a/FLAG680a7ddb5 [2022-11-19 08:15:38,677 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:15:38,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-19 08:15:38,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data/a29fbb403/7391d11756bc4d97a1d447abd8d0766a/FLAG680a7ddb5 [2022-11-19 08:15:38,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data/a29fbb403/7391d11756bc4d97a1d447abd8d0766a [2022-11-19 08:15:38,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:15:38,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:15:38,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:38,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:15:39,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:15:39,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:38" (1/1) ... [2022-11-19 08:15:39,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98c6cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:39, skipping insertion in model container [2022-11-19 08:15:39,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:38" (1/1) ... [2022-11-19 08:15:39,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:15:39,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:15:40,578 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-19 08:15:40,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d13f62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:40, skipping insertion in model container [2022-11-19 08:15:40,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:40,580 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 08:15:40,582 INFO L158 Benchmark]: Toolchain (without parser) took 1588.92ms. Allocated memory is still 119.5MB. Free memory was 74.3MB in the beginning and 75.8MB in the end (delta: -1.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-19 08:15:40,583 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:15:40,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1584.11ms. Allocated memory is still 119.5MB. Free memory was 74.1MB in the beginning and 75.8MB in the end (delta: -1.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-19 08:15:40,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1584.11ms. Allocated memory is still 119.5MB. Free memory was 74.1MB in the beginning and 75.8MB in the end (delta: -1.8MB). Peak memory consumption was 14.5MB. 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_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/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_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 08:15:42,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:15:42,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:15:42,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:15:42,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:15:42,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:15:42,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:15:42,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:15:42,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:15:42,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:15:42,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:15:42,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:15:42,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:15:42,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:15:42,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:15:42,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:15:42,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:15:42,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:15:42,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:15:42,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:15:42,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:15:42,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:15:42,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:15:42,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:15:42,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:15:42,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:15:42,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:15:42,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:15:42,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:15:42,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:15:42,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:15:42,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:15:42,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:15:42,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:15:42,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:15:42,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:15:42,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:15:42,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:15:42,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:15:42,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:15:42,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:15:42,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-19 08:15:42,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:15:42,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:15:42,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:15:42,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:15:42,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:15:42,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:15:42,727 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:15:42,727 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:15:42,728 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:15:42,728 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:15:42,729 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:15:42,729 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:15:42,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:15:42,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:15:42,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:15:42,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:15:42,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:15:42,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:15:42,732 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:15:42,732 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:15:42,733 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 08:15:42,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:15:42,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:15:42,733 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:15:42,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:15:42,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:15:42,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:15:42,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:15:42,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:15:42,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:15:42,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:15:42,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:15:42,736 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:15:42,736 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:15:42,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:15:42,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:15:42,737 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_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-11-19 08:15:43,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:15:43,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:15:43,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:15:43,164 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:15:43,164 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:15:43,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-19 08:15:43,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data/8fdf450ff/0b106de6e00b4740947289b73eadcf2d/FLAG4d293a18c [2022-11-19 08:15:44,019 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:15:44,021 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-19 08:15:44,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data/8fdf450ff/0b106de6e00b4740947289b73eadcf2d/FLAG4d293a18c [2022-11-19 08:15:44,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c444638-1782-42e1-bc50-cffe713b8ab7/bin/utaipan-I9t0OCRTmS/data/8fdf450ff/0b106de6e00b4740947289b73eadcf2d [2022-11-19 08:15:44,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:15:44,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:15:44,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:44,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:15:44,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:15:44,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:44" (1/1) ... [2022-11-19 08:15:44,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b379a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:44, skipping insertion in model container [2022-11-19 08:15:44,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:44" (1/1) ... [2022-11-19 08:15:44,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:15:44,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:15:45,668 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-19 08:15:45,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51d8133a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:45, skipping insertion in model container [2022-11-19 08:15:45,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:45,671 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 08:15:45,673 INFO L158 Benchmark]: Toolchain (without parser) took 1562.02ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 40.7MB in the end (delta: 11.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-11-19 08:15:45,675 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:15:45,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1555.98ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 40.7MB in the end (delta: 11.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-11-19 08:15:45,678 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 75.5MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1555.98ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 40.7MB in the end (delta: 11.2MB). Peak memory consumption was 17.6MB. 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