./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 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_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/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 37472fee323a215e498757280459fe839d9ea958 ................................................................................................................................... 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 [2019-11-25 08:55:50,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:50,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:50,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:50,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:50,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:50,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:50,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:50,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:50,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:50,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:50,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:50,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:50,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:50,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:50,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:50,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:50,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:50,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:50,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:50,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:50,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:50,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:50,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:50,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:50,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:50,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:50,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:50,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:50,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:50,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:50,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:50,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:50,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:50,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:50,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:50,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:50,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:50,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:50,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:50,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:50,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-25 08:55:50,367 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:50,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:50,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:50,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:50,369 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:50,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:50,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:55:50,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:50,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:50,370 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 08:55:50,370 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 08:55:50,371 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 08:55:50,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:55:50,371 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:55:50,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:55:50,372 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:50,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:50,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:50,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:50,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:55:50,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:55:50,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:50,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:50,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:55:50,374 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:55:50,374 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:55:50,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:55:50,374 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_1523d393-16cb-43dc-a2cb-5d581c638375/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 -> 37472fee323a215e498757280459fe839d9ea958 [2019-11-25 08:55:50,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:50,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:50,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:50,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:50,528 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:50,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2019-11-25 08:55:50,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/data/db638f104/272e5794ff21483e8f9476f415b6d3aa/FLAG3e095b145 [2019-11-25 08:55:51,197 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:51,197 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2019-11-25 08:55:51,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/data/db638f104/272e5794ff21483e8f9476f415b6d3aa/FLAG3e095b145 [2019-11-25 08:55:51,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1523d393-16cb-43dc-a2cb-5d581c638375/bin/uautomizer/data/db638f104/272e5794ff21483e8f9476f415b6d3aa [2019-11-25 08:55:51,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:51,316 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 08:55:51,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:51,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:51,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:51,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:51" (1/1) ... [2019-11-25 08:55:51,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8d070b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51, skipping insertion in model container [2019-11-25 08:55:51,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:51" (1/1) ... [2019-11-25 08:55:51,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:51,417 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:52,802 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 [2019-11-25 08:55:52,803 INFO L968 CHandler]: at location: C: (signed int *)((void *)0) [2224] [2019-11-25 08:55:52,803 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:52,824 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 [2019-11-25 08:55:52,825 INFO L968 CHandler]: at location: C: (signed int *)((void *)0) [2263] [2019-11-25 08:55:52,825 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:52,828 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 [2019-11-25 08:55:52,828 INFO L968 CHandler]: at location: C: (signed int *)((void *)0) [2270] [2019-11-25 08:55:52,828 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:52,838 ERROR L323 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-11-25 08:55:52,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b8c6f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:52, skipping insertion in model container [2019-11-25 08:55:52,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:52,839 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 08:55:52,843 INFO L168 Benchmark]: Toolchain (without parser) took 1525.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:52,844 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:52,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1522.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:52,848 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1522.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2320]: 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...