./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/openbsd-6.2/if_etherip-double-free.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f4b24e32 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-double-free.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 d90b40abe17ad17e0875a32f6684c69a425762f33d0bcfa66a6ec9a0f34bd1cc --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 12:50:53,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 12:50:53,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 12:50:53,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 12:50:53,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 12:50:53,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 12:50:53,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 12:50:53,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 12:50:53,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 12:50:53,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 12:50:53,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 12:50:53,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 12:50:53,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 12:50:53,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 12:50:53,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 12:50:53,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 12:50:53,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 12:50:53,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 12:50:53,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 12:50:53,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 12:50:53,940 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 12:50:53,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 12:50:53,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 12:50:53,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 12:50:53,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 12:50:53,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 12:50:53,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 12:50:53,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 12:50:53,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 12:50:53,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 12:50:53,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 12:50:53,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 12:50:53,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 12:50:53,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 12:50:53,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 12:50:53,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 12:50:53,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 12:50:53,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 12:50:53,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 12:50:53,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 12:50:53,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 12:50:53,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 12:50:53,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-07-14 12:50:53,989 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 12:50:53,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 12:50:53,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 12:50:53,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 12:50:53,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 12:50:53,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 12:50:53,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 12:50:53,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 12:50:53,992 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 12:50:53,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 12:50:53,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 12:50:53,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 12:50:53,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 12:50:53,994 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-14 12:50:53,994 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-14 12:50:53,994 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-14 12:50:53,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 12:50:53,995 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 12:50:53,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 12:50:53,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 12:50:53,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 12:50:53,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 12:50:53,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 12:50:53,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 12:50:53,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 12:50:53,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 12:50:53,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 12:50:53,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d90b40abe17ad17e0875a32f6684c69a425762f33d0bcfa66a6ec9a0f34bd1cc [2022-07-14 12:50:54,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 12:50:54,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 12:50:54,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 12:50:54,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 12:50:54,247 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 12:50:54,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openbsd-6.2/if_etherip-double-free.i [2022-07-14 12:50:54,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0293746e8/ae83d2c1b90d41b697aeb8233ef874c5/FLAG4ed1b5c9d [2022-07-14 12:50:55,013 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 12:50:55,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openbsd-6.2/if_etherip-double-free.i [2022-07-14 12:50:55,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0293746e8/ae83d2c1b90d41b697aeb8233ef874c5/FLAG4ed1b5c9d [2022-07-14 12:50:55,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0293746e8/ae83d2c1b90d41b697aeb8233ef874c5 [2022-07-14 12:50:55,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 12:50:55,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 12:50:55,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 12:50:55,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 12:50:55,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 12:50:55,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:50:55" (1/1) ... [2022-07-14 12:50:55,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c48be2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:50:55, skipping insertion in model container [2022-07-14 12:50:55,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:50:55" (1/1) ... [2022-07-14 12:50:55,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 12:50:55,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 12:50:56,658 WARN L611 FunctionHandler]: implicit declaration of function __builtin_memset [2022-07-14 12:50:57,247 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:1021) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) 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:2412) 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:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2039) 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:1081) 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:1470) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-07-14 12:50:57,252 INFO L158 Benchmark]: Toolchain (without parser) took 2141.07ms. Allocated memory is still 104.9MB. Free memory was 75.4MB in the beginning and 51.9MB in the end (delta: 23.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-07-14 12:50:57,253 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 12:50:57,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2137.95ms. Allocated memory is still 104.9MB. Free memory was 74.9MB in the beginning and 51.9MB in the end (delta: 23.0MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-07-14 12:50:57,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2137.95ms. Allocated memory is still 104.9MB. Free memory was 74.9MB in the beginning and 51.9MB in the end (delta: 23.0MB). Peak memory consumption was 21.6MB. 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-double-free.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 d90b40abe17ad17e0875a32f6684c69a425762f33d0bcfa66a6ec9a0f34bd1cc --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 12:50:59,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 12:50:59,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 12:50:59,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 12:50:59,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 12:50:59,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 12:50:59,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 12:50:59,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 12:50:59,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 12:50:59,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 12:50:59,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 12:50:59,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 12:50:59,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 12:50:59,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 12:50:59,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 12:50:59,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 12:50:59,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 12:50:59,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 12:50:59,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 12:50:59,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 12:50:59,172 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 12:50:59,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 12:50:59,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 12:50:59,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 12:50:59,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 12:50:59,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 12:50:59,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 12:50:59,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 12:50:59,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 12:50:59,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 12:50:59,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 12:50:59,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 12:50:59,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 12:50:59,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 12:50:59,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 12:50:59,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 12:50:59,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 12:50:59,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 12:50:59,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 12:50:59,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 12:50:59,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 12:50:59,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 12:50:59,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-07-14 12:50:59,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 12:50:59,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 12:50:59,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 12:50:59,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 12:50:59,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 12:50:59,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 12:50:59,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 12:50:59,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 12:50:59,239 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 12:50:59,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 12:50:59,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 12:50:59,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 12:50:59,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 12:50:59,241 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-14 12:50:59,241 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-14 12:50:59,241 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-14 12:50:59,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 12:50:59,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 12:50:59,242 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 12:50:59,242 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 12:50:59,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 12:50:59,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 12:50:59,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 12:50:59,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 12:50:59,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 12:50:59,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 12:50:59,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 12:50:59,244 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 12:50:59,244 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 12:50:59,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 12:50:59,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d90b40abe17ad17e0875a32f6684c69a425762f33d0bcfa66a6ec9a0f34bd1cc [2022-07-14 12:50:59,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 12:50:59,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 12:50:59,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 12:50:59,580 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 12:50:59,581 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 12:50:59,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openbsd-6.2/if_etherip-double-free.i [2022-07-14 12:50:59,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e61b49b/47e7234980f64815af579a90025ecf18/FLAG324913b54 [2022-07-14 12:51:00,469 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 12:51:00,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openbsd-6.2/if_etherip-double-free.i [2022-07-14 12:51:00,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e61b49b/47e7234980f64815af579a90025ecf18/FLAG324913b54 [2022-07-14 12:51:00,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e61b49b/47e7234980f64815af579a90025ecf18 [2022-07-14 12:51:00,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 12:51:00,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 12:51:00,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 12:51:00,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 12:51:00,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 12:51:00,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:51:00" (1/1) ... [2022-07-14 12:51:00,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d58504f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:51:00, skipping insertion in model container [2022-07-14 12:51:00,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:51:00" (1/1) ... [2022-07-14 12:51:00,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 12:51:00,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 12:51:02,020 WARN L611 FunctionHandler]: implicit declaration of function __builtin_memset [2022-07-14 12:51:02,687 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:1021) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) 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:2412) 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:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2039) 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:1081) 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:1470) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-07-14 12:51:02,692 INFO L158 Benchmark]: Toolchain (without parser) took 2067.75ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 27.8MB in the beginning and 40.4MB in the end (delta: -12.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-07-14 12:51:02,693 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 12:51:02,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2064.40ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 27.5MB in the beginning and 40.4MB in the end (delta: -12.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-07-14 12:51:02,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2064.40ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 27.5MB in the beginning and 40.4MB in the end (delta: -12.9MB). Peak memory consumption was 19.8MB. 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