./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e ......................................................................................................................................... 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_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:42:47,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:42:47,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:42:47,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:42:47,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:42:47,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:42:47,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:42:47,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:42:47,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:42:47,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:42:47,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:42:47,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:42:47,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:42:47,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:42:47,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:42:47,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:42:47,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:42:47,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:42:47,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:42:47,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:42:47,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:42:47,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:42:47,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:42:47,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:42:47,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:42:47,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:42:47,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:42:47,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:42:47,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:42:47,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:42:47,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:42:47,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:42:47,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:42:47,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:42:47,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:42:47,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:42:47,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:42:47,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:42:47,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:42:47,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:42:47,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:42:47,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-29 05:42:47,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:42:47,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:42:47,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:42:47,971 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:42:47,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:42:47,971 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:42:47,972 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:42:47,972 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:42:47,972 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:42:47,972 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:42:47,973 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:42:47,974 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:42:47,974 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:42:47,974 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:42:47,974 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:42:47,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:42:47,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:42:47,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:42:47,976 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:42:47,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:42:47,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:42:47,977 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:42:47,977 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:42:47,977 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:42:47,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:42:47,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:42:47,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:42:47,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:42:47,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:42:47,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:42:47,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:42:47,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:42:47,981 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:42:47,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:42:47,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:42:47,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:42:47,982 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_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-10-29 05:42:48,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:42:48,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:42:48,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:42:48,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:42:48,316 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:42:48,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-29 05:42:48,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data/058843c6e/3c59bceaf5bc45ce8ccc774d3e1a9c17/FLAGda51a7740 [2021-10-29 05:42:49,063 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:42:49,064 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-29 05:42:49,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data/058843c6e/3c59bceaf5bc45ce8ccc774d3e1a9c17/FLAGda51a7740 [2021-10-29 05:42:49,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data/058843c6e/3c59bceaf5bc45ce8ccc774d3e1a9c17 [2021-10-29 05:42:49,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:42:49,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:42:49,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:42:49,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:42:49,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:42:49,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:42:49" (1/1) ... [2021-10-29 05:42:49,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2f7877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:49, skipping insertion in model container [2021-10-29 05:42:49,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:42:49" (1/1) ... [2021-10-29 05:42:49,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:42:49,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:42:50,393 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-29 05:42:50,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d5e0e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:50, skipping insertion in model container [2021-10-29 05:42:50,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:42:50,394 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:42:50,397 INFO L168 Benchmark]: Toolchain (without parser) took 1146.62 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 54.3 MB in the beginning and 84.2 MB in the end (delta: -30.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:50,398 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory was 63.5 MB in the beginning and 63.5 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:42:50,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1141.51 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 84.2 MB in the end (delta: -30.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:50,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory was 63.5 MB in the beginning and 63.5 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1141.51 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 84.2 MB in the end (delta: -30.2 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: 2344]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:42:52,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:42:52,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:42:52,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:42:52,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:42:52,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:42:52,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:42:52,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:42:52,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:42:52,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:42:52,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:42:52,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:42:52,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:42:52,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:42:52,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:42:52,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:42:52,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:42:52,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:42:52,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:42:52,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:42:52,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:42:52,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:42:52,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:42:52,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:42:52,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:42:52,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:42:52,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:42:52,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:42:52,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:42:52,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:42:52,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:42:52,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:42:52,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:42:52,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:42:52,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:42:52,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:42:52,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:42:52,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:42:52,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:42:52,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:42:52,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:42:52,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-29 05:42:52,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:42:52,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:42:52,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:42:52,839 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:42:52,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:42:52,840 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:42:52,840 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:42:52,840 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:42:52,840 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:42:52,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:42:52,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:42:52,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:42:52,841 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:42:52,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:42:52,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:42:52,842 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:42:52,842 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:42:52,842 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:42:52,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:42:52,843 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:42:52,843 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:42:52,843 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:42:52,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:42:52,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:42:52,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:42:52,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:42:52,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:42:52,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:42:52,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:42:52,845 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:42:52,845 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:42:52,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:42:52,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:42:52,845 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_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-10-29 05:42:53,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:42:53,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:42:53,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:42:53,239 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:42:53,244 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:42:53,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-29 05:42:53,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data/5711083fc/542da50d22a04efebd991b7948a72e5a/FLAGa7b78525b [2021-10-29 05:42:54,066 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:42:54,067 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-29 05:42:54,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data/5711083fc/542da50d22a04efebd991b7948a72e5a/FLAGa7b78525b [2021-10-29 05:42:54,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d557fecd-30a9-47b2-a81a-b11110705854/bin/utaipan-SDwSMHVbGG/data/5711083fc/542da50d22a04efebd991b7948a72e5a [2021-10-29 05:42:54,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:42:54,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:42:54,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:42:54,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:42:54,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:42:54,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:54,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adc7630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:54, skipping insertion in model container [2021-10-29 05:42:54,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:42:54" (1/1) ... [2021-10-29 05:42:54,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:42:54,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:42:55,353 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-29 05:42:55,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50b7782b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:42:55, skipping insertion in model container [2021-10-29 05:42:55,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:42:55,354 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:42:55,359 INFO L168 Benchmark]: Toolchain (without parser) took 1152.04 ms. Allocated memory is still 69.2 MB. Free memory was 46.2 MB in the beginning and 40.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:55,360 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 49.0 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:42:55,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1148.16 ms. Allocated memory is still 69.2 MB. Free memory was 45.9 MB in the beginning and 40.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:42:55,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 49.0 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1148.16 ms. Allocated memory is still 69.2 MB. Free memory was 45.9 MB in the beginning and 40.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: 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...