./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-memsafety/fillarray.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/pthread-memsafety/fillarray.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 317acdded5b2f05710e753bf8fd3c2308f1aec62 --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 23:47:33,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:47:33,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:47:33,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:47:33,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:47:33,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:47:33,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:47:33,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:47:33,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:47:33,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:47:33,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:47:33,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:47:33,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:47:33,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:47:33,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:47:33,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:47:33,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:47:33,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:47:33,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:47:33,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:47:33,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:47:33,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:47:33,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:47:33,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:47:33,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:47:33,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:47:33,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:47:33,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:47:33,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:47:33,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:47:33,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:47:33,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:47:33,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:47:33,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:47:33,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:47:33,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:47:33,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:47:33,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:47:33,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:47:33,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:47:33,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:47:33,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 23:47:33,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:47:33,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:47:33,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:47:33,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:47:33,802 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:47:33,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:47:33,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 23:47:33,806 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 23:47:33,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:47:33,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 23:47:33,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:47:33,807 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 23:47:33,808 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 23:47:33,810 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 23:47:33,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:47:33,812 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 23:47:33,813 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:33,816 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 23:47:33,818 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:47:33,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:47:33,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:47:33,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:47:33,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:47:33,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:47:33,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:47:33,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:47:33,824 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 23:47:33,824 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 23:47:33,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:47:33,826 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 -> 317acdded5b2f05710e753bf8fd3c2308f1aec62 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:47:34,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:47:34,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:47:34,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:47:34,520 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:47:34,523 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:47:34,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-memsafety/fillarray.i [2019-11-20 23:47:34,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5121837ca/3276f69368214c2fbc9c49848a5202d1/FLAGa558c2ae4 [2019-11-20 23:47:35,977 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:47:35,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-memsafety/fillarray.i [2019-11-20 23:47:36,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5121837ca/3276f69368214c2fbc9c49848a5202d1/FLAGa558c2ae4 [2019-11-20 23:47:36,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5121837ca/3276f69368214c2fbc9c49848a5202d1 [2019-11-20 23:47:36,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:47:36,077 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-20 23:47:36,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:36,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:47:36,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:47:36,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:36" (1/1) ... [2019-11-20 23:47:36,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f03101b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:36, skipping insertion in model container [2019-11-20 23:47:36,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:36" (1/1) ... [2019-11-20 23:47:36,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:47:36,213 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:47:37,270 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 23:47:37,271 INFO L969 CHandler]: at location: C: (int *)arg [1041] [2019-11-20 23:47:37,271 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:37,298 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 23:47:37,301 INFO L969 CHandler]: at location: C: (int *)arg [1049] [2019-11-20 23:47:37,301 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:37,311 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 23:47:37,315 INFO L969 CHandler]: at location: C: (int *)malloc(size) [1061] [2019-11-20 23:47:37,315 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-20 23:47:37,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:37,360 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-20 23:47:37,383 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:47:37,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:37,505 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:47:37,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:47:37,919 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:47:37,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37 WrapperNode [2019-11-20 23:47:37,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:47:37,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:47:37,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:47:37,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:47:37,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:37,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:38,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:38,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:38,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:38,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:38,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:37" (1/1) ... [2019-11-20 23:47:38,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:47:38,185 INFO L168 Benchmark]: Toolchain (without parser) took 2104.71 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 932.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:38,195 INFO L168 Benchmark]: CDTParser took 2.22 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 23:47:38,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1840.75 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 937.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. [2019-11-20 23:47:38,198 INFO L168 Benchmark]: Boogie Preprocessor took 252.82 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:47:38,201 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.22 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 1840.75 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 937.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 252.82 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...