./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.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_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/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_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/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_5ea22584-1f9d-41cc-81ae-e209752071b8/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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ......................................................................................................................................... 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_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/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_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/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_5ea22584-1f9d-41cc-81ae-e209752071b8/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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ...................................................................................................................................... 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 01:59:25,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:59:25,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:59:25,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:59:25,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:59:25,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:59:25,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:59:25,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:59:25,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:59:25,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:59:25,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:59:25,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:59:25,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:59:25,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:59:25,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:59:25,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:59:25,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:59:25,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:59:25,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:59:25,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:59:25,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:59:25,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:59:25,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:59:25,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:59:25,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:59:25,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:59:25,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:59:25,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:59:25,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:59:25,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:59:25,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:59:25,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:59:25,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:59:25,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:59:25,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:59:25,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:59:25,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:59:25,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:59:25,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:59:25,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:59:25,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:59:25,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-16 01:59:25,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:59:25,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:59:25,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 01:59:25,988 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 01:59:25,988 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 01:59:25,988 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 01:59:25,989 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 01:59:25,989 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 01:59:25,989 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 01:59:25,989 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 01:59:25,989 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 01:59:25,990 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 01:59:25,990 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 01:59:25,990 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 01:59:25,990 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 01:59:25,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:59:25,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:59:25,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:59:25,992 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 01:59:25,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:59:25,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:59:25,993 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 01:59:25,993 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 01:59:25,993 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 01:59:25,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:59:25,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 01:59:25,994 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:59:25,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:59:25,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:59:25,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:59:25,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:59:25,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:59:25,996 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 01:59:25,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:59:25,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 01:59:25,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 01:59:25,996 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_5ea22584-1f9d-41cc-81ae-e209752071b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2021-10-16 01:59:26,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:59:26,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:59:26,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:59:26,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:59:26,254 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:59:26,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-16 01:59:26,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data/ab0e9eaf1/45994e5d0c774154a034b1c57d098a4b/FLAG6ea52f9c6 [2021-10-16 01:59:27,253 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:59:27,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-16 01:59:27,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data/ab0e9eaf1/45994e5d0c774154a034b1c57d098a4b/FLAG6ea52f9c6 [2021-10-16 01:59:27,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data/ab0e9eaf1/45994e5d0c774154a034b1c57d098a4b [2021-10-16 01:59:27,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:59:27,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:59:27,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:59:27,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:59:27,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:59:27,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:27" (1/1) ... [2021-10-16 01:59:27,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aca0468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:27, skipping insertion in model container [2021-10-16 01:59:27,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:27" (1/1) ... [2021-10-16 01:59:27,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:59:27,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:59:28,707 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-16 01:59:28,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@cc7807c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:28, skipping insertion in model container [2021-10-16 01:59:28,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:59:28,709 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 01:59:28,711 INFO L168 Benchmark]: Toolchain (without parser) took 1398.33 ms. Allocated memory is still 113.2 MB. Free memory was 77.9 MB in the beginning and 72.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 01:59:28,712 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 113.2 MB. Free memory was 66.4 MB in the beginning and 66.3 MB in the end (delta: 50.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:59:28,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1395.48 ms. Allocated memory is still 113.2 MB. Free memory was 77.6 MB in the beginning and 72.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 01:59:28,715 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 113.2 MB. Free memory was 66.4 MB in the beginning and 66.3 MB in the end (delta: 50.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1395.48 ms. Allocated memory is still 113.2 MB. Free memory was 77.6 MB in the beginning and 72.0 MB in the end (delta: 5.6 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: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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 01:59:30,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:59:30,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:59:30,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:59:30,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:59:30,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:59:30,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:59:30,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:59:30,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:59:30,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:59:30,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:59:30,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:59:30,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:59:30,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:59:30,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:59:30,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:59:30,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:59:30,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:59:30,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:59:30,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:59:30,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:59:30,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:59:31,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:59:31,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:59:31,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:59:31,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:59:31,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:59:31,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:59:31,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:59:31,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:59:31,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:59:31,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:59:31,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:59:31,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:59:31,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:59:31,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:59:31,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:59:31,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:59:31,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:59:31,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:59:31,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:59:31,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-16 01:59:31,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:59:31,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:59:31,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 01:59:31,073 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 01:59:31,074 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 01:59:31,074 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 01:59:31,074 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 01:59:31,074 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 01:59:31,075 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 01:59:31,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:59:31,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:59:31,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:59:31,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 01:59:31,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:59:31,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:59:31,078 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 01:59:31,078 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 01:59:31,079 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 01:59:31,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:59:31,079 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 01:59:31,079 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 01:59:31,080 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 01:59:31,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:59:31,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:59:31,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:59:31,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:59:31,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:59:31,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:59:31,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:59:31,082 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 01:59:31,082 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 01:59:31,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 01:59:31,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 01:59:31,083 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_5ea22584-1f9d-41cc-81ae-e209752071b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2021-10-16 01:59:31,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:59:31,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:59:31,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:59:31,482 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:59:31,483 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:59:31,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-16 01:59:31,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data/e950223f5/45a2bdcfd1ba497ead0c08041ab79408/FLAGf6ea6b1cb [2021-10-16 01:59:32,303 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:59:32,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-16 01:59:32,345 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data/e950223f5/45a2bdcfd1ba497ead0c08041ab79408/FLAGf6ea6b1cb [2021-10-16 01:59:32,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea22584-1f9d-41cc-81ae-e209752071b8/bin/utaipan-mTDlp9Zugs/data/e950223f5/45a2bdcfd1ba497ead0c08041ab79408 [2021-10-16 01:59:32,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:59:32,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:59:32,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:59:32,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:59:32,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:59:32,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:32" (1/1) ... [2021-10-16 01:59:32,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6a92ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:32, skipping insertion in model container [2021-10-16 01:59:32,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:32" (1/1) ... [2021-10-16 01:59:32,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:59:32,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:59:33,811 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-16 01:59:33,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2be0bbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:33, skipping insertion in model container [2021-10-16 01:59:33,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:59:33,812 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 01:59:33,815 INFO L168 Benchmark]: Toolchain (without parser) took 1386.20 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 31.8 MB in the beginning and 37.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-16 01:59:33,816 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:59:33,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1381.96 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 31.6 MB in the beginning and 37.1 MB in the end (delta: -5.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-16 01:59:33,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1381.96 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 31.6 MB in the beginning and 37.1 MB in the end (delta: -5.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...