./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.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_inl.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 3ef73aa229d96e30b4c395539e926e9cd1864c60 --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 23:47:01,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:47:01,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:47:01,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:47:01,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:47:01,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:47:01,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:47:01,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:47:01,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:47:01,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:47:01,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:47:01,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:47:01,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:47:01,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:47:01,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:47:01,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:47:01,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:47:01,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:47:01,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:47:01,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:47:01,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:47:01,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:47:01,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:47:01,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:47:01,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:47:01,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:47:01,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:47:01,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:47:01,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:47:01,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:47:01,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:47:01,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:47:01,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:47:01,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:47:01,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:47:01,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:47:01,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:47:01,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:47:01,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:47:01,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:47:01,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:47:01,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 23:47:01,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:47:01,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:47:01,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:47:01,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:47:01,600 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:47:01,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:47:01,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 23:47:01,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:47:01,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:47:01,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 23:47:01,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:47:01,603 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:47:01,603 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:47:01,604 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:47:01,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:47:01,607 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:47:01,607 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:01,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 23:47:01,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:47:01,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:47:01,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:47:01,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:47:01,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:47:01,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:47:01,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:47:01,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:47:01,609 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:47:01,609 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:47:01,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:47:01,612 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 -> 3ef73aa229d96e30b4c395539e926e9cd1864c60 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:47:01,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:47:01,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:47:02,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:47:02,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:47:02,010 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:47:02,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2019-11-20 23:47:02,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de62670a8/38ec3d3b69774c9f96f0b12668412c48/FLAG114671f07 [2019-11-20 23:47:03,175 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:47:03,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2019-11-20 23:47:03,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de62670a8/38ec3d3b69774c9f96f0b12668412c48/FLAG114671f07 [2019-11-20 23:47:03,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de62670a8/38ec3d3b69774c9f96f0b12668412c48 [2019-11-20 23:47:03,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:47:03,636 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:47:03,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:03,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:47:03,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:47:03,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:03" (1/1) ... [2019-11-20 23:47:03,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d723878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:03, skipping insertion in model container [2019-11-20 23:47:03,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:03" (1/1) ... [2019-11-20 23:47:03,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:47:03,808 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:47:05,547 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 23:47:05,548 INFO L969 CHandler]: at location: C: (struct block_device*)malloc(sizeof(struct block_device)) [2970] [2019-11-20 23:47:05,548 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:05,628 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 23:47:05,629 INFO L969 CHandler]: at location: C: (struct pci_dev*)malloc(sizeof(struct pci_dev)) [3135] [2019-11-20 23:47:05,630 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:05,686 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 23:47:05,689 INFO L969 CHandler]: at location: C: (struct block_device*)malloc(sizeof(struct block_device)) [3315] [2019-11-20 23:47:05,689 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:05,812 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 23:47:05,816 INFO L969 CHandler]: at location: C: (struct resource*)malloc(sizeof(struct resource)) [3922] [2019-11-20 23:47:05,819 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:05,879 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 23:47:05,879 INFO L969 CHandler]: at location: C: (struct resource*)malloc(sizeof(struct resource)) [4525] [2019-11-20 23:47:05,879 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:05,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:05,964 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-20 23:47:06,078 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:47:06,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:06,444 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:47:06,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:07,575 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:47:07,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:07 WrapperNode [2019-11-20 23:47:07,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:07,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:47:07,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:47:07,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:47:07,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:07" (1/1) ... [2019-11-20 23:47:07,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:07" (1/1) ... [2019-11-20 23:47:07,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:07" (1/1) ... [2019-11-20 23:47:07,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:07" (1/1) ... [2019-11-20 23:47:07,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:07" (1/1) ... [2019-11-20 23:47:07,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:07" (1/1) ... [2019-11-20 23:47:08,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:07" (1/1) ... [2019-11-20 23:47:08,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:47:08,058 INFO L168 Benchmark]: Toolchain (without parser) took 4419.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 966.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 249.1 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:08,062 INFO L168 Benchmark]: CDTParser took 0.28 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 23:47:08,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3929.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 726.5 MB in the end (delta: 228.0 MB). Peak memory consumption was 228.1 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:08,064 INFO L168 Benchmark]: Boogie Preprocessor took 475.83 ms. Allocated memory is still 1.0 GB. Free memory was 726.5 MB in the beginning and 966.4 MB in the end (delta: -239.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:08,075 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 3929.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 726.5 MB in the end (delta: 228.0 MB). Peak memory consumption was 228.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 475.83 ms. Allocated memory is still 1.0 GB. Free memory was 726.5 MB in the beginning and 966.4 MB in the end (delta: -239.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...