./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs --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 3381f893b51659740208d183047dc7a08e935843 ......................................................................................................................................... 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_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs --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 3381f893b51659740208d183047dc7a08e935843 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:01:21,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:01:21,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:01:21,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:01:21,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:01:21,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:01:21,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:01:21,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:01:21,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:01:21,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:01:21,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:01:21,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:01:21,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:01:21,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:01:21,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:01:21,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:01:21,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:01:21,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:01:21,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:01:21,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:01:21,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:01:21,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:01:21,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:01:21,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:01:21,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:01:21,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:01:21,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:01:21,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:01:21,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:01:21,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:01:21,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:01:21,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:01:21,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:01:21,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:01:21,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:01:21,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:01:21,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:01:21,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:01:21,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:01:21,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:01:21,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:01:21,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-16 02:01:21,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:01:21,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:01:21,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:01:21,985 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:01:21,985 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:01:21,985 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:01:21,985 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:01:21,986 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:01:21,986 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:01:21,986 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:01:21,986 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:01:21,986 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:01:21,987 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:01:21,987 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:01:21,987 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:01:21,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:01:21,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:01:21,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:01:21,988 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:01:21,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:01:21,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:01:21,989 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:01:21,989 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:01:21,989 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:01:21,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:01:21,989 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:01:21,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:01:21,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:01:21,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:01:21,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:01:21,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:01:21,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:01:21,991 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:01:21,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:01:21,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:01:21,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:01:21,991 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_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3381f893b51659740208d183047dc7a08e935843 [2021-10-16 02:01:22,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:01:22,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:01:22,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:01:22,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:01:22,344 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:01:22,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-16 02:01:22,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data/14e2708f8/b4b9f72a886f48f7a26759d231d58f28/FLAGbcb0914a2 [2021-10-16 02:01:22,994 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:01:22,995 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-16 02:01:23,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data/14e2708f8/b4b9f72a886f48f7a26759d231d58f28/FLAGbcb0914a2 [2021-10-16 02:01:23,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data/14e2708f8/b4b9f72a886f48f7a26759d231d58f28 [2021-10-16 02:01:23,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:01:23,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:01:23,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:23,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:01:23,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:01:23,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:23" (1/1) ... [2021-10-16 02:01:23,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd49839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:23, skipping insertion in model container [2021-10-16 02:01:23,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:23" (1/1) ... [2021-10-16 02:01:23,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:01:23,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:01:24,486 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-16 02:01:24,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@390a7275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:24, skipping insertion in model container [2021-10-16 02:01:24,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:24,488 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:01:24,490 INFO L168 Benchmark]: Toolchain (without parser) took 1297.61 ms. Allocated memory is still 121.6 MB. Free memory was 82.1 MB in the beginning and 86.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:24,491 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 121.6 MB. Free memory is still 102.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:01:24,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1294.99 ms. Allocated memory is still 121.6 MB. Free memory was 81.9 MB in the beginning and 86.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:24,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 121.6 MB. Free memory is still 102.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1294.99 ms. Allocated memory is still 121.6 MB. Free memory was 81.9 MB in the beginning and 86.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: 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-5709675 [2021-10-16 02:01:26,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:01:26,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:01:26,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:01:26,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:01:26,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:01:26,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:01:26,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:01:26,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:01:26,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:01:26,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:01:26,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:01:26,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:01:26,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:01:26,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:01:26,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:01:26,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:01:26,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:01:26,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:01:26,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:01:26,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:01:26,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:01:26,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:01:26,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:01:26,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:01:26,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:01:26,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:01:26,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:01:26,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:01:26,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:01:26,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:01:26,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:01:26,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:01:26,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:01:26,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:01:26,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:01:26,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:01:26,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:01:26,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:01:26,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:01:26,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:01:26,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-16 02:01:26,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:01:26,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:01:26,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:01:26,989 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:01:26,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:01:26,990 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:01:26,990 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:01:26,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:01:26,991 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:01:26,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:01:26,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:01:26,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:01:26,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:01:26,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:01:26,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:01:26,994 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:01:26,994 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:01:26,995 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:01:26,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:01:26,995 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:01:26,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:01:26,996 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:01:26,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:01:26,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:01:26,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:01:26,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:01:26,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:01:26,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:01:26,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:01:26,998 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:01:26,998 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:01:26,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:01:26,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:01:26,999 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_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3381f893b51659740208d183047dc7a08e935843 [2021-10-16 02:01:27,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:01:27,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:01:27,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:01:27,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:01:27,372 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:01:27,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-16 02:01:27,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data/85a87511d/49ff7ebe86174a16b78a84766d3a7eb4/FLAG9889b9a3b [2021-10-16 02:01:28,285 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:01:28,285 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-16 02:01:28,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data/85a87511d/49ff7ebe86174a16b78a84766d3a7eb4/FLAG9889b9a3b [2021-10-16 02:01:28,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_836fde6e-7dc6-4d23-bd88-e23a1c987484/bin/utaipan-mTDlp9Zugs/data/85a87511d/49ff7ebe86174a16b78a84766d3a7eb4 [2021-10-16 02:01:28,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:01:28,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:01:28,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:28,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:01:28,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:01:28,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:28" (1/1) ... [2021-10-16 02:01:28,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c8f702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:28, skipping insertion in model container [2021-10-16 02:01:28,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:28" (1/1) ... [2021-10-16 02:01:28,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:01:28,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:01:29,569 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-16 02:01:29,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ef5f83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:29, skipping insertion in model container [2021-10-16 02:01:29,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:29,571 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:01:29,573 INFO L168 Benchmark]: Toolchain (without parser) took 1188.39 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 33.9 MB in the beginning and 38.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:29,574 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:01:29,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1183.01 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 33.6 MB in the beginning and 38.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:29,577 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 52.4 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1183.01 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 33.6 MB in the beginning and 38.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: 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...