./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/openbsd-6.2/if_etherip-fixed-double-free-invalid-deref2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/openbsd-6.2/if_etherip-fixed-double-free-invalid-deref2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.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 64bit --witnessprinter.graph.data.programhash bd64539a144241395781f7472407ffb31c1f73f6ab9206d20864b184ab12c36f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 02:42:52,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 02:42:52,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 02:42:52,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 02:42:52,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 02:42:52,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 02:42:52,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 02:42:52,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 02:42:52,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 02:42:52,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 02:42:52,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 02:42:52,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 02:42:52,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 02:42:52,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 02:42:52,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 02:42:52,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 02:42:52,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 02:42:52,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 02:42:52,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 02:42:52,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 02:42:52,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 02:42:52,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 02:42:52,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 02:42:52,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 02:42:52,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 02:42:52,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 02:42:52,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 02:42:52,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 02:42:52,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 02:42:52,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 02:42:52,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 02:42:52,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 02:42:52,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 02:42:52,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 02:42:52,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 02:42:52,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 02:42:52,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 02:42:52,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 02:42:52,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 02:42:52,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 02:42:52,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 02:42:52,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-22 02:42:52,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 02:42:52,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 02:42:52,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 02:42:52,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 02:42:52,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 02:42:52,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 02:42:52,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 02:42:52,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 02:42:52,995 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 02:42:52,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 02:42:52,995 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 02:42:52,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 02:42:52,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 02:42:52,996 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 02:42:52,996 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 02:42:52,996 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-22 02:42:52,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 02:42:52,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 02:42:52,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 02:42:52,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 02:42:52,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 02:42:52,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 02:42:52,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 02:42:52,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 02:42:52,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 02:42:52,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 02:42:52,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 02:42:52,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 02:42:53,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd64539a144241395781f7472407ffb31c1f73f6ab9206d20864b184ab12c36f [2021-12-22 02:42:53,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 02:42:53,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 02:42:53,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 02:42:53,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 02:42:53,271 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 02:42:53,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openbsd-6.2/if_etherip-fixed-double-free-invalid-deref2.i [2021-12-22 02:42:53,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b50840d5/8c564e3d8b964f47a2e42dc02b348d45/FLAGa096aa093 [2021-12-22 02:42:54,022 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 02:42:54,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openbsd-6.2/if_etherip-fixed-double-free-invalid-deref2.i [2021-12-22 02:42:54,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b50840d5/8c564e3d8b964f47a2e42dc02b348d45/FLAGa096aa093 [2021-12-22 02:42:54,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b50840d5/8c564e3d8b964f47a2e42dc02b348d45 [2021-12-22 02:42:54,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 02:42:54,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 02:42:54,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 02:42:54,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 02:42:54,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 02:42:54,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:42:54" (1/1) ... [2021-12-22 02:42:54,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32401ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:42:54, skipping insertion in model container [2021-12-22 02:42:54,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:42:54" (1/1) ... [2021-12-22 02:42:54,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 02:42:54,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 02:42:56,016 WARN L610 FunctionHandler]: implicit declaration of function __builtin_memset [2021-12-22 02:42:56,518 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:121) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1007) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2021) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1456) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-22 02:42:56,523 INFO L158 Benchmark]: Toolchain (without parser) took 2366.04ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.4MB in the beginning and 55.7MB in the end (delta: -6.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-12-22 02:42:56,523 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 90.2MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 02:42:56,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2362.78ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.4MB in the beginning and 55.7MB in the end (delta: -6.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-12-22 02:42:56,525 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 90.2MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2362.78ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.4MB in the beginning and 55.7MB in the end (delta: -6.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/openbsd-6.2/if_etherip-fixed-double-free-invalid-deref2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash bd64539a144241395781f7472407ffb31c1f73f6ab9206d20864b184ab12c36f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 02:42:58,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 02:42:58,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 02:42:58,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 02:42:58,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 02:42:58,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 02:42:58,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 02:42:58,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 02:42:58,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 02:42:58,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 02:42:58,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 02:42:58,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 02:42:58,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 02:42:58,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 02:42:58,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 02:42:58,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 02:42:58,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 02:42:58,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 02:42:58,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 02:42:58,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 02:42:58,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 02:42:58,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 02:42:58,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 02:42:58,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 02:42:58,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 02:42:58,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 02:42:58,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 02:42:58,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 02:42:58,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 02:42:58,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 02:42:58,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 02:42:58,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 02:42:58,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 02:42:58,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 02:42:58,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 02:42:58,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 02:42:58,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 02:42:58,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 02:42:58,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 02:42:58,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 02:42:58,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 02:42:58,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-22 02:42:58,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 02:42:58,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 02:42:58,365 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 02:42:58,365 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 02:42:58,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 02:42:58,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 02:42:58,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 02:42:58,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 02:42:58,368 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 02:42:58,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 02:42:58,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 02:42:58,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 02:42:58,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 02:42:58,370 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 02:42:58,370 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 02:42:58,371 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-22 02:42:58,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 02:42:58,371 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 02:42:58,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 02:42:58,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 02:42:58,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 02:42:58,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 02:42:58,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 02:42:58,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 02:42:58,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 02:42:58,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 02:42:58,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 02:42:58,373 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 02:42:58,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 02:42:58,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 02:42:58,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 02:42:58,374 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd64539a144241395781f7472407ffb31c1f73f6ab9206d20864b184ab12c36f [2021-12-22 02:42:58,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 02:42:58,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 02:42:58,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 02:42:58,726 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 02:42:58,727 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 02:42:58,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openbsd-6.2/if_etherip-fixed-double-free-invalid-deref2.i [2021-12-22 02:42:58,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b936022/3df199413d6e44909bd72d5cbceaaaab/FLAG5acccb47e [2021-12-22 02:42:59,586 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 02:42:59,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openbsd-6.2/if_etherip-fixed-double-free-invalid-deref2.i [2021-12-22 02:42:59,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b936022/3df199413d6e44909bd72d5cbceaaaab/FLAG5acccb47e [2021-12-22 02:42:59,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b936022/3df199413d6e44909bd72d5cbceaaaab [2021-12-22 02:42:59,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 02:42:59,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 02:42:59,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 02:42:59,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 02:42:59,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 02:42:59,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:42:59" (1/1) ... [2021-12-22 02:42:59,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6acc71d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:42:59, skipping insertion in model container [2021-12-22 02:42:59,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:42:59" (1/1) ... [2021-12-22 02:42:59,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 02:42:59,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 02:43:01,387 WARN L610 FunctionHandler]: implicit declaration of function __builtin_memset [2021-12-22 02:43:02,071 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:121) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1007) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2021) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1456) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-22 02:43:02,076 INFO L158 Benchmark]: Toolchain (without parser) took 2280.85ms. Allocated memory is still 65.0MB. Free memory was 42.7MB in the beginning and 30.3MB in the end (delta: 12.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-12-22 02:43:02,076 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 02:43:02,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2278.41ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 30.3MB in the end (delta: 12.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-12-22 02:43:02,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2278.41ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 30.3MB in the end (delta: 12.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type