./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-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_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/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_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/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_60cecbde-1e55-4295-a9ba-d4ca56485279/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 67b95fb0884527cff4cd990f5c76069c4524d11d ......................................................................................................................................... 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_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/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_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/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_60cecbde-1e55-4295-a9ba-d4ca56485279/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 67b95fb0884527cff4cd990f5c76069c4524d11d ...................................................................................................................................... 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 07:27:20,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:27:20,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:27:20,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:27:20,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:27:20,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:27:20,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:27:20,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:27:20,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:27:20,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:27:20,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:27:20,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:27:20,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:27:20,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:27:20,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:27:20,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:27:20,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:27:20,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:27:20,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:27:20,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:27:20,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:27:20,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:27:20,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:27:20,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:27:20,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:27:20,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:27:20,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:27:20,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:27:20,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:27:20,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:27:20,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:27:20,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:27:20,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:27:20,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:27:20,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:27:20,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:27:20,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:27:20,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:27:20,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:27:20,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:27:20,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:27:20,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:27:20,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:27:20,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:27:20,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:27:20,944 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:27:20,944 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:27:20,945 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:27:20,945 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:27:20,945 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:27:20,945 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:27:20,946 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:27:20,946 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:27:20,946 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:27:20,947 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:27:20,947 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:27:20,947 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:27:20,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:27:20,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:27:20,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:27:20,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:27:20,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:27:20,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:27:20,950 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:27:20,950 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:27:20,950 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:27:20,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:27:20,951 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:27:20,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:27:20,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:27:20,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:27:20,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:27:20,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:27:20,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:27:20,953 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:27:20,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:27:20,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:27:20,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:27:20,954 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_60cecbde-1e55-4295-a9ba-d4ca56485279/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2021-10-13 07:27:21,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:27:21,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:27:21,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:27:21,286 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:27:21,287 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:27:21,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-13 07:27:21,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data/ae4c8779d/8feaa56c83c2496e90cabf4a6023c2bd/FLAGa6da9120a [2021-10-13 07:27:22,242 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:27:22,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-13 07:27:22,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data/ae4c8779d/8feaa56c83c2496e90cabf4a6023c2bd/FLAGa6da9120a [2021-10-13 07:27:22,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data/ae4c8779d/8feaa56c83c2496e90cabf4a6023c2bd [2021-10-13 07:27:22,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:27:22,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:27:22,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:22,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:27:22,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:27:22,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:22" (1/1) ... [2021-10-13 07:27:22,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc663ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:22, skipping insertion in model container [2021-10-13 07:27:22,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:22" (1/1) ... [2021-10-13 07:27:22,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:27:22,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:27:23,913 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 07:27:23,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ef1cd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:23, skipping insertion in model container [2021-10-13 07:27:23,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:23,915 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:27:23,918 INFO L168 Benchmark]: Toolchain (without parser) took 1590.67 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 46.0 MB in the beginning and 69.5 MB in the end (delta: -23.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:27:23,919 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:27:23,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1587.41 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 45.6 MB in the beginning and 69.5 MB in the end (delta: -23.8 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:27:23,923 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 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1587.41 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 45.6 MB in the beginning and 69.5 MB in the end (delta: -23.8 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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 07:27:26,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:27:26,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:27:26,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:27:26,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:27:26,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:27:26,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:27:26,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:27:26,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:27:26,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:27:26,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:27:26,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:27:26,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:27:26,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:27:26,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:27:26,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:27:26,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:27:26,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:27:26,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:27:26,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:27:26,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:27:26,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:27:26,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:27:26,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:27:26,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:27:26,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:27:26,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:27:26,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:27:26,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:27:26,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:27:26,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:27:26,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:27:26,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:27:26,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:27:26,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:27:26,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:27:26,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:27:26,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:27:26,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:27:26,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:27:26,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:27:26,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:27:27,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:27:27,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:27:27,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:27:27,022 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:27:27,023 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:27:27,023 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:27:27,023 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:27:27,023 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:27:27,024 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:27:27,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:27:27,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:27:27,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:27:27,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:27:27,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:27:27,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:27:27,029 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:27:27,029 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:27:27,029 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:27:27,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:27:27,030 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:27:27,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:27:27,030 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:27:27,030 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:27:27,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:27:27,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:27:27,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:27:27,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:27:27,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:27:27,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:27:27,033 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:27:27,033 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:27:27,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:27:27,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:27:27,034 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_60cecbde-1e55-4295-a9ba-d4ca56485279/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2021-10-13 07:27:27,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:27:27,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:27:27,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:27:27,532 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:27:27,535 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:27:27,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-13 07:27:27,629 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data/67a82b064/9bda54f3de464e459fd47ee26b952179/FLAG41cd00dc8 [2021-10-13 07:27:28,638 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:27:28,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-13 07:27:28,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data/67a82b064/9bda54f3de464e459fd47ee26b952179/FLAG41cd00dc8 [2021-10-13 07:27:29,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60cecbde-1e55-4295-a9ba-d4ca56485279/bin/utaipan-q2qaUkNPG8/data/67a82b064/9bda54f3de464e459fd47ee26b952179 [2021-10-13 07:27:29,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:27:29,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:27:29,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:29,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:27:29,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:27:29,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:29" (1/1) ... [2021-10-13 07:27:29,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479c61e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:29, skipping insertion in model container [2021-10-13 07:27:29,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:29" (1/1) ... [2021-10-13 07:27:29,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:27:29,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:27:30,729 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 07:27:30,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f93bff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:30, skipping insertion in model container [2021-10-13 07:27:30,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:30,731 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:27:30,735 INFO L168 Benchmark]: Toolchain (without parser) took 1541.92 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 27.9 MB in the beginning and 44.6 MB in the end (delta: -16.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:27:30,737 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 35.9 MB in the beginning and 35.9 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:27:30,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1538.78 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 27.6 MB in the beginning and 44.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:27:30,745 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 54.5 MB. Free memory was 35.9 MB in the beginning and 35.9 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1538.78 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 27.6 MB in the beginning and 44.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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...