./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-2.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_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/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 79fa1dd2429b579130ba2962571ac2d8152c8e35 .......................................................................................................................................... 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_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/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 79fa1dd2429b579130ba2962571ac2d8152c8e35 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:04:11,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:11,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:11,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:11,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:11,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:11,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:11,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:11,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:11,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:11,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:11,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:11,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:11,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:11,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:11,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:11,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:11,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:11,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:11,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:11,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:11,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:11,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:11,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:11,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:11,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:11,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:11,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:11,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:11,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:11,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:11,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:11,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:11,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:11,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:11,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:11,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:11,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:11,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:11,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:11,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:11,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-22 13:04:11,610 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:11,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:11,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:11,612 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:11,612 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:11,612 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:11,613 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:04:11,613 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:11,613 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:11,613 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:04:11,614 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:04:11,615 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:11,615 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:04:11,615 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:04:11,615 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:04:11,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:04:11,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:04:11,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:11,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:04:11,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:04:11,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:11,618 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:04:11,618 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:04:11,618 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:04:11,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:11,619 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:11,620 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:11,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:11,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:11,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:11,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:11,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:11,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:11,622 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:04:11,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:04:11,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:11,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:11,623 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_596e4024-c1a5-493f-946c-995384bec96d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79fa1dd2429b579130ba2962571ac2d8152c8e35 [2020-11-22 13:04:11,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:11,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:11,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:11,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:11,937 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:11,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2020-11-22 13:04:12,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data/10d7bcfff/bc731e1b3e124372992a1eb690a524d7/FLAG71f028ef7 [2020-11-22 13:04:12,884 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:12,885 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2020-11-22 13:04:12,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data/10d7bcfff/bc731e1b3e124372992a1eb690a524d7/FLAG71f028ef7 [2020-11-22 13:04:13,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data/10d7bcfff/bc731e1b3e124372992a1eb690a524d7 [2020-11-22 13:04:13,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:13,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:13,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:13,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:13,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:13,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:13" (1/1) ... [2020-11-22 13:04:13,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0cbe6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:13, skipping insertion in model container [2020-11-22 13:04:13,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:13" (1/1) ... [2020-11-22 13:04:13,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:13,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:14,803 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-22 13:04:14,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61533d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:14, skipping insertion in model container [2020-11-22 13:04:14,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:14,804 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:04:14,806 INFO L168 Benchmark]: Toolchain (without parser) took 1369.06 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 57.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:14,807 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 57.9 MB in the end (delta: 48.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:14,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1364.99 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 57.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:14,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 57.9 MB in the end (delta: 48.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1364.99 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 57.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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 0.2.0-a4ecdab [2020-11-22 13:04:16,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:16,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:16,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:16,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:17,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:17,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:17,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:17,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:17,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:17,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:17,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:17,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:17,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:17,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:17,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:17,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:17,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:17,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:17,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:17,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:17,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:17,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:17,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:17,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:17,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:17,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:17,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:17,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:17,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:17,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:17,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:17,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:17,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:17,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:17,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:17,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:17,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:17,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:17,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:17,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:17,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-22 13:04:17,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:17,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:17,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:17,131 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:17,131 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:17,132 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:17,132 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:17,132 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:17,132 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:17,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:04:17,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:04:17,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:17,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:04:17,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:04:17,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:17,135 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:04:17,136 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:04:17,136 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:04:17,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:17,136 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:17,136 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:04:17,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:04:17,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:17,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:17,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:04:17,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:17,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:17,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:17,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:17,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:17,138 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:04:17,139 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:04:17,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:17,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:17,139 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_596e4024-c1a5-493f-946c-995384bec96d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79fa1dd2429b579130ba2962571ac2d8152c8e35 [2020-11-22 13:04:17,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:17,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:17,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:17,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:17,581 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:17,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2020-11-22 13:04:17,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data/e93252da9/dfbf4b004ede4ef8bd7f23715e68f2df/FLAG465ba2c6d [2020-11-22 13:04:18,508 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:18,509 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2020-11-22 13:04:18,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data/e93252da9/dfbf4b004ede4ef8bd7f23715e68f2df/FLAG465ba2c6d [2020-11-22 13:04:18,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_596e4024-c1a5-493f-946c-995384bec96d/bin/utaipan/data/e93252da9/dfbf4b004ede4ef8bd7f23715e68f2df [2020-11-22 13:04:18,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:18,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:18,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:18,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:18,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:18,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:18" (1/1) ... [2020-11-22 13:04:18,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b115b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:18, skipping insertion in model container [2020-11-22 13:04:18,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:18" (1/1) ... [2020-11-22 13:04:18,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:18,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:19,929 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-22 13:04:19,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@308abd5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:19, skipping insertion in model container [2020-11-22 13:04:19,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:19,931 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:04:19,933 INFO L168 Benchmark]: Toolchain (without parser) took 1313.04 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 22.8 MB in the beginning and 34.8 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:19,934 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:19,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1310.59 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 22.6 MB in the beginning and 34.8 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:19,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1310.59 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 22.6 MB in the beginning and 34.8 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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...