./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/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 960bc5aa42a3b68f012aa0dee90eed8f457f9581 .............................................................................................................................................. 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_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/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 960bc5aa42a3b68f012aa0dee90eed8f457f9581 .......................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 12:07:57,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:07:57,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:07:57,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:07:57,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:07:57,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:07:57,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:07:57,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:07:57,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:07:57,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:07:57,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:07:57,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:07:57,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:07:57,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:07:57,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:07:57,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:07:57,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:07:57,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:07:57,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:07:57,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:07:57,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:07:57,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:07:57,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:07:57,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:07:57,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:07:57,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:07:57,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:07:57,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:07:57,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:07:57,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:07:57,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:07:57,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:07:57,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:07:57,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:07:57,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:07:57,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:07:57,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:07:57,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:07:57,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:07:57,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:07:57,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:07:57,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 12:07:57,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:07:57,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:07:57,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:07:57,850 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:07:57,850 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:07:57,850 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:07:57,850 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 12:07:57,850 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:07:57,850 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:07:57,850 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 12:07:57,851 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 12:07:57,851 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:07:57,851 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 12:07:57,851 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 12:07:57,851 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 12:07:57,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 12:07:57,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 12:07:57,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:07:57,852 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 12:07:57,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 12:07:57,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:07:57,852 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 12:07:57,853 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 12:07:57,853 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 12:07:57,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:07:57,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:07:57,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:07:57,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:07:57,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:07:57,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:07:57,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:07:57,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:07:57,854 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 12:07:57,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 12:07:57,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:07:57,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:07:57,854 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_fccf92ca-7850-482f-9f3c-8d950f6000c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960bc5aa42a3b68f012aa0dee90eed8f457f9581 [2020-12-09 12:07:58,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:07:58,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:07:58,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:07:58,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:07:58,073 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:07:58,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-12-09 12:07:58,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data/8d51f8c5c/49b1ddbe0529431eafb1fcbf49567a1a/FLAG0957fdbb2 [2020-12-09 12:07:58,629 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:07:58,629 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-12-09 12:07:58,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data/8d51f8c5c/49b1ddbe0529431eafb1fcbf49567a1a/FLAG0957fdbb2 [2020-12-09 12:07:59,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data/8d51f8c5c/49b1ddbe0529431eafb1fcbf49567a1a [2020-12-09 12:07:59,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:07:59,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:07:59,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:07:59,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:07:59,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:07:59,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:07:59" (1/1) ... [2020-12-09 12:07:59,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d25710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:07:59, skipping insertion in model container [2020-12-09 12:07:59,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:07:59" (1/1) ... [2020-12-09 12:07:59,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:07:59,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:07:59,988 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103699,103712] [2020-12-09 12:07:59,990 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103875,103888] [2020-12-09 12:07:59,990 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104048,104061] [2020-12-09 12:07:59,991 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104259,104272] [2020-12-09 12:07:59,992 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104572,104585] [2020-12-09 12:07:59,997 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-12-09 12:07:59,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c17c617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:07:59, skipping insertion in model container [2020-12-09 12:07:59,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:07:59,997 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 12:07:59,999 INFO L168 Benchmark]: Toolchain (without parser) took 894.24 ms. Allocated memory is still 94.4 MB. Free memory was 67.1 MB in the beginning and 55.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-12-09 12:07:59,999 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 94.4 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:08:00,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 892.65 ms. Allocated memory is still 94.4 MB. Free memory was 66.9 MB in the beginning and 55.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-12-09 12:08:00,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 94.4 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 892.65 ms. Allocated memory is still 94.4 MB. Free memory was 66.9 MB in the beginning and 55.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 12:08:01,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:08:01,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:08:01,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:08:01,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:08:01,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:08:01,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:08:01,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:08:01,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:08:01,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:08:01,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:08:01,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:08:01,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:08:01,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:08:01,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:08:01,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:08:01,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:08:01,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:08:01,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:08:01,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:08:01,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:08:01,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:08:01,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:08:01,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:08:01,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:08:01,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:08:01,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:08:01,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:08:01,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:08:01,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:08:01,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:08:01,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:08:01,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:08:01,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:08:01,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:08:01,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:08:01,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:08:01,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:08:01,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:08:01,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:08:01,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:08:01,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 12:08:01,414 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:08:01,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:08:01,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:08:01,415 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:08:01,415 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:08:01,415 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:08:01,415 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:08:01,415 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:08:01,415 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:08:01,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 12:08:01,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 12:08:01,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:08:01,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 12:08:01,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 12:08:01,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:08:01,417 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 12:08:01,417 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 12:08:01,417 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 12:08:01,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:08:01,417 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:08:01,417 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 12:08:01,417 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 12:08:01,417 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:08:01,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:08:01,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 12:08:01,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:08:01,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:08:01,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:08:01,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:08:01,418 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 12:08:01,419 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 12:08:01,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:08:01,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:08:01,419 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_fccf92ca-7850-482f-9f3c-8d950f6000c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960bc5aa42a3b68f012aa0dee90eed8f457f9581 [2020-12-09 12:08:01,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:08:01,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:08:01,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:08:01,660 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:08:01,661 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:08:01,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-12-09 12:08:01,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data/f8f4663d4/38fe429900d74857bb55e15cee4f2446/FLAG88e4d04f8 [2020-12-09 12:08:02,262 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:08:02,263 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-12-09 12:08:02,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data/f8f4663d4/38fe429900d74857bb55e15cee4f2446/FLAG88e4d04f8 [2020-12-09 12:08:02,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/bin/utaipan/data/f8f4663d4/38fe429900d74857bb55e15cee4f2446 [2020-12-09 12:08:02,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:08:02,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:08:02,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:08:02,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:08:02,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:08:02,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:08:02" (1/1) ... [2020-12-09 12:08:02,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674f1d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:02, skipping insertion in model container [2020-12-09 12:08:02,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:08:02" (1/1) ... [2020-12-09 12:08:02,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:08:02,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:08:03,686 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103699,103712] [2020-12-09 12:08:03,688 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[103875,103888] [2020-12-09 12:08:03,689 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104048,104061] [2020-12-09 12:08:03,690 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104259,104272] [2020-12-09 12:08:03,691 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fccf92ca-7850-482f-9f3c-8d950f6000c2/sv-benchmarks/c/busybox-1.22.0/printf-2.i[104572,104585] [2020-12-09 12:08:03,695 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-12-09 12:08:03,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e40d537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:08:03, skipping insertion in model container [2020-12-09 12:08:03,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:08:03,696 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 12:08:03,698 INFO L168 Benchmark]: Toolchain (without parser) took 997.19 ms. Allocated memory was 52.4 MB in the beginning and 100.7 MB in the end (delta: 48.2 MB). Free memory was 34.8 MB in the beginning and 66.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-12-09 12:08:03,699 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 35.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:08:03,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.26 ms. Allocated memory was 52.4 MB in the beginning and 100.7 MB in the end (delta: 48.2 MB). Free memory was 34.7 MB in the beginning and 66.4 MB in the end (delta: -31.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-12-09 12:08:03,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 35.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 994.26 ms. Allocated memory was 52.4 MB in the beginning and 100.7 MB in the end (delta: 48.2 MB). Free memory was 34.7 MB in the beginning and 66.4 MB in the end (delta: -31.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...