./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa 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_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/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 82a01909b73887274a091afe6fe6c283eee1a37f ......................................................................................................................................... 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 0.1.24-6b5699a [2019-11-26 02:51:18,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:51:18,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:51:18,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:51:18,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:51:18,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:51:18,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:51:18,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:51:18,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:51:18,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:51:18,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:51:18,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:51:18,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:51:18,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:51:18,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:51:18,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:51:18,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:51:18,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:51:18,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:51:18,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:51:18,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:51:18,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:51:18,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:51:18,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:51:18,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:51:18,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:51:18,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:51:18,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:51:18,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:51:18,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:51:18,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:51:18,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:51:18,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:51:18,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:51:18,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:51:18,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:51:18,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:51:18,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:51:18,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:51:18,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:51:18,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:51:18,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2019-11-26 02:51:18,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:51:18,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:51:18,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:51:18,308 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:51:18,308 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:51:18,308 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:51:18,309 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:51:18,309 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:51:18,309 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:51:18,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:51:18,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:51:18,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:51:18,312 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:51:18,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:51:18,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:51:18,312 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:51:18,312 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:51:18,313 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:51:18,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:51:18,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:51:18,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:51:18,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:51:18,314 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:51:18,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:51:18,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:51:18,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:51:18,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:51:18,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:51:18,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:51:18,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:51:18,316 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:51:18,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:51:18,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:51:18,316 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_3a4f7db6-3ede-47aa-8683-81af853c8cfa/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 -> 82a01909b73887274a091afe6fe6c283eee1a37f [2019-11-26 02:51:18,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:51:18,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:51:18,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:51:18,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:51:18,464 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:51:18,473 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2019-11-26 02:51:18,533 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/data/96fae2c50/b2d4236067a94655aa44796633192cf8/FLAGc08b9dada [2019-11-26 02:51:19,167 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:51:19,168 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2019-11-26 02:51:19,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/data/96fae2c50/b2d4236067a94655aa44796633192cf8/FLAGc08b9dada [2019-11-26 02:51:19,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3a4f7db6-3ede-47aa-8683-81af853c8cfa/bin/utaipan/data/96fae2c50/b2d4236067a94655aa44796633192cf8 [2019-11-26 02:51:19,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:51:19,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:51:19,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:19,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:51:19,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:51:19,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:19" (1/1) ... [2019-11-26 02:51:19,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce84620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:19, skipping insertion in model container [2019-11-26 02:51:19,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:19" (1/1) ... [2019-11-26 02:51:19,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:51:19,411 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:51:20,595 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:51:20,596 INFO L968 CHandler]: at location: C: (signed int *)((void *)0) [2319] [2019-11-26 02:51:20,596 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:51:20,603 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:51:20,604 INFO L968 CHandler]: at location: C: (signed int *)((void *)0) [2357] [2019-11-26 02:51:20,604 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:51:20,606 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:51:20,606 INFO L968 CHandler]: at location: C: (signed int *)((void *)0) [2364] [2019-11-26 02:51:20,607 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:51:20,631 ERROR L323 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2019-11-26 02:51:20,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75ba9bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:20, skipping insertion in model container [2019-11-26 02:51:20,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:20,633 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 02:51:20,635 INFO L168 Benchmark]: Toolchain (without parser) took 1322.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:20,636 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:51:20,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1319.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:20,639 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1319.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2490]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...