./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/du-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8 --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 498df7d11853e6c7f3918441ca131dd12e283265 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8 --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 498df7d11853e6c7f3918441ca131dd12e283265 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:11:54,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:11:54,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:11:54,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:11:54,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:11:54,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:11:54,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:11:54,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:11:54,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:11:54,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:11:54,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:11:54,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:11:54,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:11:54,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:11:54,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:11:54,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:11:54,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:11:54,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:11:54,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:11:54,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:11:54,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:11:54,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:11:54,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:11:54,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:11:54,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:11:54,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:11:54,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:11:54,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:11:54,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:11:54,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:11:54,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:11:54,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:11:54,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:11:54,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:11:54,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:11:54,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:11:54,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:11:54,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:11:54,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:11:54,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:11:54,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:11:54,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 08:11:54,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:11:54,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:11:54,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:11:54,936 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:11:54,937 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:11:54,937 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:11:54,937 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:11:54,938 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:11:54,938 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:11:54,938 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:11:54,939 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:11:54,940 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:11:54,940 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:11:54,940 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:11:54,941 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:11:54,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 08:11:54,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 08:11:54,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:11:54,943 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 08:11:54,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:11:54,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:11:54,943 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 08:11:54,944 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 08:11:54,944 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 08:11:54,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:11:54,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:11:54,945 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:11:54,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:11:54,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:11:54,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:11:54,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:11:54,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:11:54,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:11:54,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:11:54,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:11:54,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:11:54,948 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 498df7d11853e6c7f3918441ca131dd12e283265 [2021-10-13 08:11:55,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:11:55,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:11:55,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:11:55,293 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:11:55,294 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:11:55,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-10-13 08:11:55,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data/dbd9b5203/57f4ce7685774370a7ff67be793cfb08/FLAG0b1e17705 [2021-10-13 08:11:56,291 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:11:56,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-10-13 08:11:56,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data/dbd9b5203/57f4ce7685774370a7ff67be793cfb08/FLAG0b1e17705 [2021-10-13 08:11:56,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data/dbd9b5203/57f4ce7685774370a7ff67be793cfb08 [2021-10-13 08:11:56,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:11:56,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:11:56,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:11:56,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:11:56,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:11:56,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:11:56" (1/1) ... [2021-10-13 08:11:56,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574907f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:56, skipping insertion in model container [2021-10-13 08:11:56,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:11:56" (1/1) ... [2021-10-13 08:11:56,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:11:56,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:11:58,810 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 08:11:58,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e18b115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:58, skipping insertion in model container [2021-10-13 08:11:58,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:11:58,812 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:11:58,819 INFO L168 Benchmark]: Toolchain (without parser) took 2055.51 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 53.9 MB in the beginning and 80.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-13 08:11:58,821 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 68.4 MB in the beginning and 68.4 MB in the end (delta: 24.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:11:58,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2044.02 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 53.7 MB in the beginning and 80.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-13 08:11:58,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 68.4 MB in the beginning and 68.4 MB in the end (delta: 24.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2044.02 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 53.7 MB in the beginning and 80.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:12:01,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:12:01,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:12:01,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:12:01,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:12:01,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:12:01,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:12:01,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:12:01,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:12:01,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:12:01,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:12:01,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:12:01,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:12:01,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:12:01,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:12:01,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:12:01,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:12:01,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:12:01,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:12:01,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:12:01,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:12:01,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:12:01,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:12:01,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:12:01,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:12:01,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:12:01,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:12:01,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:12:01,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:12:01,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:12:01,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:12:01,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:12:01,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:12:01,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:12:01,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:12:01,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:12:01,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:12:01,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:12:01,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:12:01,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:12:01,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:12:01,531 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 08:12:01,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:12:01,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:12:01,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:12:01,590 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:12:01,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:12:01,590 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:12:01,590 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:12:01,591 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:12:01,591 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:12:01,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 08:12:01,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 08:12:01,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:12:01,592 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 08:12:01,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:12:01,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:12:01,593 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 08:12:01,593 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 08:12:01,593 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 08:12:01,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:12:01,594 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:12:01,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:12:01,594 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:12:01,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:12:01,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:12:01,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:12:01,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:12:01,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:12:01,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:12:01,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:12:01,596 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:12:01,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:12:01,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:12:01,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:12:01,597 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_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 498df7d11853e6c7f3918441ca131dd12e283265 [2021-10-13 08:12:02,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:12:02,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:12:02,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:12:02,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:12:02,129 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:12:02,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-10-13 08:12:02,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data/dc6d8b051/002d64b4ef2346b29a16829273fa56d3/FLAGd7ec81b33 [2021-10-13 08:12:03,266 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:12:03,268 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-10-13 08:12:03,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data/dc6d8b051/002d64b4ef2346b29a16829273fa56d3/FLAGd7ec81b33 [2021-10-13 08:12:03,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de4cf43-5047-45f5-8f4f-a53892de6ca7/bin/utaipan-q2qaUkNPG8/data/dc6d8b051/002d64b4ef2346b29a16829273fa56d3 [2021-10-13 08:12:03,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:12:03,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:12:03,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:12:03,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:12:03,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:12:03,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:03" (1/1) ... [2021-10-13 08:12:03,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f08ed31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:03, skipping insertion in model container [2021-10-13 08:12:03,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:03" (1/1) ... [2021-10-13 08:12:03,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:12:03,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:12:05,864 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 08:12:05,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@522b42e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:05, skipping insertion in model container [2021-10-13 08:12:05,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:12:05,871 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:12:05,874 INFO L168 Benchmark]: Toolchain (without parser) took 2135.29 ms. Allocated memory is still 94.4 MB. Free memory was 53.5 MB in the beginning and 60.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:12:05,876 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 76.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:12:05,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2131.67 ms. Allocated memory is still 94.4 MB. Free memory was 53.3 MB in the beginning and 60.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:12:05,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 76.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2131.67 ms. Allocated memory is still 94.4 MB. Free memory was 53.3 MB in the beginning and 60.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...