./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.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_p.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 07d0aa4576fe8efeb06bd37503435e5e46934f0e --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 23:47:03,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:47:03,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:47:03,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:47:03,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:47:03,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:47:03,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:47:03,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:47:03,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:47:03,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:47:03,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:47:03,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:47:03,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:47:03,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:47:03,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:47:03,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:47:03,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:47:03,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:47:03,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:47:03,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:47:03,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:47:03,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:47:03,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:47:03,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:47:03,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:47:03,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:47:03,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:47:03,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:47:03,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:47:03,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:47:03,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:47:03,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:47:03,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:47:03,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:47:03,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:47:03,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:47:03,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:47:03,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:47:03,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:47:03,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:47:03,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:47:03,599 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 23:47:03,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:47:03,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:47:03,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:47:03,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:47:03,660 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:47:03,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:47:03,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 23:47:03,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:47:03,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:47:03,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 23:47:03,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:47:03,666 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:47:03,666 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:47:03,667 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:47:03,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:47:03,668 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:47:03,670 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:03,671 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 23:47:03,671 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:47:03,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:47:03,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:47:03,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:47:03,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:47:03,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:47:03,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:47:03,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:47:03,677 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:47:03,677 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:47:03,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:47:03,681 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 -> 07d0aa4576fe8efeb06bd37503435e5e46934f0e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:47:04,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:47:04,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:47:04,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:47:04,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:47:04,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:47:04,306 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2019-11-20 23:47:04,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011af9f9b/00e238d6892d4de8a6dc71bea81f9e79/FLAG850fdebd4 [2019-11-20 23:47:06,020 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:47:06,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2019-11-20 23:47:06,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011af9f9b/00e238d6892d4de8a6dc71bea81f9e79/FLAG850fdebd4 [2019-11-20 23:47:06,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011af9f9b/00e238d6892d4de8a6dc71bea81f9e79 [2019-11-20 23:47:06,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:47:06,152 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:47:06,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:06,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:47:06,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:47:06,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:06" (1/1) ... [2019-11-20 23:47:06,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aac7799 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 23:47:06,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:06" (1/1) ... [2019-11-20 23:47:06,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:47:06,381 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:47:09,103 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 23:47:09,105 INFO L969 CHandler]: at location: C: (struct block_device*)malloc(sizeof(struct block_device)) [2970] [2019-11-20 23:47:09,107 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,211 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 23:47:09,214 INFO L969 CHandler]: at location: C: (struct pci_dev*)malloc(sizeof(struct pci_dev)) [3135] [2019-11-20 23:47:09,217 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,292 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 23:47:09,298 INFO L969 CHandler]: at location: C: (struct block_device*)malloc(sizeof(struct block_device)) [3315] [2019-11-20 23:47:09,299 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,497 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 23:47:09,501 INFO L969 CHandler]: at location: C: (struct resource*)malloc(sizeof(struct resource)) [3922] [2019-11-20 23:47:09,502 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,595 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 23:47:09,596 INFO L969 CHandler]: at location: C: (struct resource*)malloc(sizeof(struct resource)) [4524] [2019-11-20 23:47:09,596 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:09,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:09,713 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-20 23:47:09,772 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:47:10,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:10,309 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:47:10,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:12,104 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:47:12,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:12 WrapperNode [2019-11-20 23:47:12,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:12,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:47:12,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:47:12,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:47:12,138 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 23:47:12,138 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 23:47:12,322 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 23:47:12,324 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 23:47:12,781 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 23:47:12,833 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 23:47:12,905 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 23:47:12,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:47:12,986 INFO L168 Benchmark]: Toolchain (without parser) took 6830.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 968.6 MB in the end (delta: -12.6 MB). Peak memory consumption was 252.9 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:12,993 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:47:12,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5957.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 732.1 MB in the end (delta: 223.9 MB). Peak memory consumption was 224.0 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:12,998 INFO L168 Benchmark]: Boogie Preprocessor took 864.34 ms. Allocated memory is still 1.0 GB. Free memory was 732.1 MB in the beginning and 968.6 MB in the end (delta: -236.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:13,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5957.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 732.1 MB in the end (delta: 223.9 MB). Peak memory consumption was 224.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 864.34 ms. Allocated memory is still 1.0 GB. Free memory was 732.1 MB in the beginning and 968.6 MB in the end (delta: -236.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...