./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47b0bc17 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash 4d95ac846195c923ba14460571f07f6424e0aa6b --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-47b0bc1 [2019-11-20 23:47:03,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:47:03,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:47:03,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:47:03,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:47:03,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:47:03,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:47:03,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:47:03,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:47:03,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:47:03,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:47:03,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:47:03,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:47:03,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:47:03,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:47:03,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:47:03,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:47:03,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:47:03,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:47:03,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:47:03,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:47:03,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:47:03,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:47:03,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:47:03,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:47:03,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:47:03,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:47:03,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:47:03,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:47:03,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:47:03,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:47:03,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:47:03,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:47:03,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:47:03,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:47:03,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:47:03,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:47:03,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:47:03,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:47:03,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:47:03,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:47:03,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 23:47:03,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:47:03,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:47:03,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:47:03,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:47:03,817 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:47:03,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:47:03,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 23:47:03,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:47:03,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:47:03,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 23:47:03,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:47:03,821 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:47:03,821 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:47:03,823 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:47:03,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:47:03,824 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:47:03,824 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:03,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 23:47:03,825 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:47:03,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:47:03,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:47:03,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:47:03,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:47:03,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:47:03,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:47:03,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:47:03,830 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:47:03,830 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:47:03,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:47:03,831 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d95ac846195c923ba14460571f07f6424e0aa6b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:47:04,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:47:04,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:47:04,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:47:04,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:47:04,478 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:47:04,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2019-11-20 23:47:04,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d377367d/42b1e2298a944eb692f861a8a8edc5d7/FLAG33fd8f2c4 [2019-11-20 23:47:06,097 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:47:06,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2019-11-20 23:47:06,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d377367d/42b1e2298a944eb692f861a8a8edc5d7/FLAG33fd8f2c4 [2019-11-20 23:47:06,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d377367d/42b1e2298a944eb692f861a8a8edc5d7 [2019-11-20 23:47:06,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:47:06,220 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:47:06,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:06,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:47:06,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:47:06,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:06" (1/1) ... [2019-11-20 23:47:06,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df717c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:06, skipping insertion in model container [2019-11-20 23:47:06,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:06" (1/1) ... [2019-11-20 23:47:06,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:47:06,447 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:47:09,514 INFO L966 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 [2019-11-20 23:47:09,516 INFO L969 CHandler]: at location: C: (struct block_device*)malloc(sizeof(struct block_device)) [2970] [2019-11-20 23:47:09,517 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,626 INFO L966 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 [2019-11-20 23:47:09,627 INFO L969 CHandler]: at location: C: (struct pci_dev*)malloc(sizeof(struct pci_dev)) [3135] [2019-11-20 23:47:09,628 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,702 INFO L966 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 [2019-11-20 23:47:09,702 INFO L969 CHandler]: at location: C: (struct block_device*)malloc(sizeof(struct block_device)) [3315] [2019-11-20 23:47:09,703 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,883 INFO L966 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 [2019-11-20 23:47:09,883 INFO L969 CHandler]: at location: C: (struct resource*)malloc(sizeof(struct resource)) [3922] [2019-11-20 23:47:09,886 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,964 INFO L966 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 [2019-11-20 23:47:09,966 INFO L969 CHandler]: at location: C: (struct resource*)malloc(sizeof(struct resource)) [4524] [2019-11-20 23:47:09,966 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:10,084 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-20 23:47:10,234 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:47:10,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:10,790 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:47:11,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:12,611 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:47:12,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:12 WrapperNode [2019-11-20 23:47:12,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:12,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:47:12,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:47:12,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:47:12,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:12" (1/1) ... [2019-11-20 23:47:12,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:12" (1/1) ... [2019-11-20 23:47:12,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:12" (1/1) ... [2019-11-20 23:47:12,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:12" (1/1) ... [2019-11-20 23:47:13,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:12" (1/1) ... [2019-11-20 23:47:13,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:12" (1/1) ... [2019-11-20 23:47:13,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:12" (1/1) ... [2019-11-20 23:47:13,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:47:13,318 INFO L168 Benchmark]: Toolchain (without parser) took 7092.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 971.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 256.9 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:13,323 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:47:13,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6383.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 724.8 MB in the end (delta: 236.9 MB). Peak memory consumption was 236.9 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:13,328 INFO L168 Benchmark]: Boogie Preprocessor took 696.91 ms. Allocated memory is still 1.0 GB. Free memory was 724.8 MB in the beginning and 971.8 MB in the end (delta: -247.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:13,337 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 6383.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 724.8 MB in the end (delta: 236.9 MB). Peak memory consumption was 236.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 696.91 ms. Allocated memory is still 1.0 GB. Free memory was 724.8 MB in the beginning and 971.8 MB in the end (delta: -247.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...