./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4819107b35e9d7239496cca49768e26d2d4e2e01 ......................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 00:31:07,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:31:07,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:31:07,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:31:07,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:31:07,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:31:07,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:31:07,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:31:07,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:31:07,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:31:07,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:31:07,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:31:07,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:31:07,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:31:07,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:31:07,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:31:07,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:31:07,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:31:07,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:31:07,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:31:07,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:31:07,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:31:07,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:31:07,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:31:07,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:31:07,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:31:07,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:31:07,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:31:07,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:31:07,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:31:07,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:31:07,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:31:07,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:31:07,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:31:07,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:31:07,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:31:07,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:31:07,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:31:07,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:31:07,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:31:07,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:31:07,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-20 00:31:07,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:31:07,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:31:07,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:31:07,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:31:07,488 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:31:07,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:31:07,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:31:07,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:31:07,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:31:07,489 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 00:31:07,489 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 00:31:07,490 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 00:31:07,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:31:07,490 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 00:31:07,490 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 00:31:07,490 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:31:07,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:31:07,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:31:07,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:31:07,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:31:07,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:31:07,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:31:07,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:31:07,492 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 00:31:07,492 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 00:31:07,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 00:31:07,492 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer 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 -> Automizer 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 -> 4819107b35e9d7239496cca49768e26d2d4e2e01 [2019-11-20 00:31:07,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:31:07,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:31:07,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:31:07,683 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:31:07,684 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:31:07,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2019-11-20 00:31:07,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/data/ec20c2790/ea98084e98fb43c7938144bdc146efff/FLAGa0465e742 [2019-11-20 00:31:08,382 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:31:08,383 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/sv-benchmarks/c/busybox-1.22.0/head-2.i [2019-11-20 00:31:08,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/data/ec20c2790/ea98084e98fb43c7938144bdc146efff/FLAGa0465e742 [2019-11-20 00:31:08,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_01fd6969-4af8-43b2-80e1-5c032d711e37/bin/uautomizer/data/ec20c2790/ea98084e98fb43c7938144bdc146efff [2019-11-20 00:31:08,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:31:08,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 00:31:08,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:31:08,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:31:08,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:31:08,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:31:08" (1/1) ... [2019-11-20 00:31:08,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db5358e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:31:08, skipping insertion in model container [2019-11-20 00:31:08,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:31:08" (1/1) ... [2019-11-20 00:31:08,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:31:08,646 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:31:09,746 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-11-20 00:31:09,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51e82fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:31:09, skipping insertion in model container [2019-11-20 00:31:09,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:31:09,748 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-20 00:31:09,750 INFO L168 Benchmark]: Toolchain (without parser) took 1212.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:31:09,751 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:31:09,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1209.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:31:09,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1209.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2294]: 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...