./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE --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 d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 ......................................................................................................................................... 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_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE --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 d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:15:41,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:15:41,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:15:41,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:15:41,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:15:41,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:15:41,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:15:41,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:15:41,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:15:41,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:15:41,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:15:41,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:15:41,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:15:41,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:15:41,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:15:41,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:15:41,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:15:41,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:15:41,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:15:41,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:15:41,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:15:41,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:15:41,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:15:41,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:15:41,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:15:41,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:15:41,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:15:41,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:15:41,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:15:41,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:15:41,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:15:41,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:15:41,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:15:41,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:15:41,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:15:41,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:15:41,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:15:41,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:15:41,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:15:41,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:15:41,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:15:41,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-24 11:15:41,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:15:41,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:15:41,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:15:41,846 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:15:41,847 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:15:41,847 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:15:41,847 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:15:41,848 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:15:41,848 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:15:41,848 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:15:41,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:15:41,849 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:15:41,849 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:15:41,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:15:41,850 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:15:41,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 11:15:41,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 11:15:41,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:15:41,852 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:15:41,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:15:41,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:15:41,853 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 11:15:41,853 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 11:15:41,853 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 11:15:41,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:15:41,854 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:15:41,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:15:41,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:15:41,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:15:41,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:15:41,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:15:41,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:15:41,856 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:15:41,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:15:41,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:15:41,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:15:41,858 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_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-10-24 11:15:42,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:15:42,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:15:42,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:15:42,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:15:42,200 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:15:42,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-10-24 11:15:42,274 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data/5f370dc6a/7450aa189af04c69898cbd18c31fb9e2/FLAGa58c9248f [2021-10-24 11:15:43,207 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:15:43,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-10-24 11:15:43,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data/5f370dc6a/7450aa189af04c69898cbd18c31fb9e2/FLAGa58c9248f [2021-10-24 11:15:43,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data/5f370dc6a/7450aa189af04c69898cbd18c31fb9e2 [2021-10-24 11:15:43,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:15:43,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:15:43,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:43,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:15:43,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:15:43,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:43" (1/1) ... [2021-10-24 11:15:43,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e581a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:43, skipping insertion in model container [2021-10-24 11:15:43,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:43" (1/1) ... [2021-10-24 11:15:43,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:15:43,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:15:45,684 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-24 11:15:45,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60748b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:45, skipping insertion in model container [2021-10-24 11:15:45,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:45,690 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:15:45,699 INFO L168 Benchmark]: Toolchain (without parser) took 1966.78 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 45.4 MB in the beginning and 53.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:45,701 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 77.6 MB. Free memory was 52.8 MB in the beginning and 52.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:15:45,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1963.69 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 45.2 MB in the beginning and 53.9 MB in the end (delta: -8.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:45,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 77.6 MB. Free memory was 52.8 MB in the beginning and 52.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1963.69 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 45.2 MB in the beginning and 53.9 MB in the end (delta: -8.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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-e943c26 [2021-10-24 11:15:48,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:15:48,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:15:48,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:15:48,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:15:48,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:15:48,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:15:48,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:15:48,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:15:48,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:15:48,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:15:48,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:15:48,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:15:48,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:15:48,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:15:48,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:15:48,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:15:48,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:15:48,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:15:48,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:15:48,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:15:48,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:15:48,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:15:48,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:15:48,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:15:48,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:15:48,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:15:48,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:15:48,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:15:48,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:15:48,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:15:48,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:15:48,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:15:48,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:15:48,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:15:48,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:15:48,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:15:48,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:15:48,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:15:48,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:15:48,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:15:48,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-24 11:15:48,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:15:48,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:15:48,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:15:48,774 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:15:48,774 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:15:48,774 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:15:48,775 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:15:48,775 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:15:48,775 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:15:48,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 11:15:48,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 11:15:48,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:15:48,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:15:48,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:15:48,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:15:48,780 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 11:15:48,780 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 11:15:48,780 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 11:15:48,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:15:48,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:15:48,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:15:48,781 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:15:48,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:15:48,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:15:48,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:15:48,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:15:48,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:15:48,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:15:48,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:15:48,783 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:15:48,784 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:15:48,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:15:48,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:15:48,785 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_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-10-24 11:15:49,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:15:49,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:15:49,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:15:49,291 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:15:49,292 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:15:49,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-10-24 11:15:49,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data/3f6da3ff2/a89a972a0a2041d9b3e67e4837938889/FLAGd05d103c4 [2021-10-24 11:15:50,382 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:15:50,383 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-10-24 11:15:50,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data/3f6da3ff2/a89a972a0a2041d9b3e67e4837938889/FLAGd05d103c4 [2021-10-24 11:15:50,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2214aa-f2b7-454f-bb26-f5457eb24544/bin/utaipan-9zjyvhn0QE/data/3f6da3ff2/a89a972a0a2041d9b3e67e4837938889 [2021-10-24 11:15:50,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:15:50,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:15:50,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:50,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:15:50,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:15:50,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:50" (1/1) ... [2021-10-24 11:15:50,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa2c518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:50, skipping insertion in model container [2021-10-24 11:15:50,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:50" (1/1) ... [2021-10-24 11:15:50,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:15:50,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:15:52,712 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-24 11:15:52,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@532073f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:52, skipping insertion in model container [2021-10-24 11:15:52,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:52,714 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:15:52,717 INFO L168 Benchmark]: Toolchain (without parser) took 1892.82 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 30.2 MB in the beginning and 45.7 MB in the end (delta: -15.5 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:52,717 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:15:52,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1886.48 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 30.0 MB in the beginning and 45.7 MB in the end (delta: -15.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:52,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1886.48 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 30.0 MB in the beginning and 45.7 MB in the end (delta: -15.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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...