./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan --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 2b37a2989873bccb38a599c5f72aafffdd60cc5a .......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan --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 2b37a2989873bccb38a599c5f72aafffdd60cc5a ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:41:44,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:44,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:44,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:44,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:44,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:44,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:44,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:44,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:44,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:44,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:44,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:44,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:44,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:44,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:44,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:44,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:44,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:44,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:44,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:44,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:44,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:44,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:44,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:44,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:44,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:44,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:44,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:44,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:44,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:44,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:44,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:44,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:44,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:44,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:44,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:44,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:44,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:44,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:44,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:44,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:44,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-28 07:41:44,948 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:44,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:44,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:44,952 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:44,952 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:44,952 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:44,952 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:41:44,953 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:44,953 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:44,953 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:41:44,954 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:41:44,955 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:44,955 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:41:44,955 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:41:44,955 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:41:44,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:41:44,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:41:44,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:44,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:41:44,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:41:44,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:44,958 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:41:44,958 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:41:44,958 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:41:44,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:44,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:44,960 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:44,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:44,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:44,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:44,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:44,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:44,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:44,962 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:41:44,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:41:44,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:44,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:44,963 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-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2020-11-28 07:41:45,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:45,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:45,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:45,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:45,267 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:45,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-11-28 07:41:45,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data/068a337ac/27364e6d2de44b4988d9c887bf526cc0/FLAGa8be065f3 [2020-11-28 07:41:46,052 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:46,052 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-11-28 07:41:46,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data/068a337ac/27364e6d2de44b4988d9c887bf526cc0/FLAGa8be065f3 [2020-11-28 07:41:46,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data/068a337ac/27364e6d2de44b4988d9c887bf526cc0 [2020-11-28 07:41:46,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:46,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:46,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:46,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:46,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:46,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:46" (1/1) ... [2020-11-28 07:41:46,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac72a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:46, skipping insertion in model container [2020-11-28 07:41:46,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:46" (1/1) ... [2020-11-28 07:41:46,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:46,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:47,596 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-11-28 07:41:47,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e8918a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:47, skipping insertion in model container [2020-11-28 07:41:47,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:47,600 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:41:47,603 INFO L168 Benchmark]: Toolchain (without parser) took 1399.18 ms. Allocated memory is still 115.3 MB. Free memory was 81.5 MB in the beginning and 53.6 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:47,604 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory is still 52.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:47,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1394.79 ms. Allocated memory is still 115.3 MB. Free memory was 81.3 MB in the beginning and 53.8 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:47,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory is still 52.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1394.79 ms. Allocated memory is still 115.3 MB. Free memory was 81.3 MB in the beginning and 53.8 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:41:49,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:49,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:49,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:49,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:49,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:49,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:49,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:49,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:49,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:49,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:49,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:49,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:49,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:49,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:49,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:49,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:49,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:49,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:49,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:49,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:49,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:49,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:49,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:49,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:49,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:49,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:49,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:49,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:49,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:49,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:49,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:49,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:49,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:49,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:49,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:49,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:49,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:49,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:49,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:49,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:49,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-28 07:41:50,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:50,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:50,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:50,031 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:50,031 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:50,031 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:50,032 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:50,032 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:50,032 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:50,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:41:50,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:41:50,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:50,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:41:50,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:41:50,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:50,036 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:41:50,036 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:41:50,036 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:41:50,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:50,037 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:50,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:41:50,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:41:50,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:50,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:50,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:41:50,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:50,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:50,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:50,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:50,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:50,039 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:41:50,040 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:41:50,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:50,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:50,040 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-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2020-11-28 07:41:50,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:50,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:50,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:50,475 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:50,476 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:50,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-11-28 07:41:50,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data/123ffa4f2/879b074de3564e3fac861b005c8eefe8/FLAG984be7985 [2020-11-28 07:41:51,478 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:51,479 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-11-28 07:41:51,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data/123ffa4f2/879b074de3564e3fac861b005c8eefe8/FLAG984be7985 [2020-11-28 07:41:51,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5cfc2b46-53a2-43f0-8bb1-1109aa3d3e5d/bin/utaipan/data/123ffa4f2/879b074de3564e3fac861b005c8eefe8 [2020-11-28 07:41:51,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:51,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:51,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:51,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:51,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:51,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:51" (1/1) ... [2020-11-28 07:41:51,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8330d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:51, skipping insertion in model container [2020-11-28 07:41:51,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:51" (1/1) ... [2020-11-28 07:41:51,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:51,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:53,012 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-11-28 07:41:53,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b41355d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:53, skipping insertion in model container [2020-11-28 07:41:53,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:53,014 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:41:53,016 INFO L168 Benchmark]: Toolchain (without parser) took 1438.85 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 21.9 MB in the beginning and 41.4 MB in the end (delta: -19.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:53,017 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:53,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1434.69 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 21.7 MB in the beginning and 41.4 MB in the end (delta: -19.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:53,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1434.69 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 21.7 MB in the beginning and 41.4 MB in the end (delta: -19.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...