./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 22:24:17,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 22:24:17,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 22:24:17,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 22:24:17,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 22:24:17,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 22:24:17,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 22:24:17,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 22:24:17,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 22:24:17,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 22:24:17,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 22:24:17,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 22:24:17,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 22:24:17,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 22:24:17,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 22:24:17,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 22:24:17,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 22:24:17,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 22:24:17,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 22:24:17,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 22:24:17,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 22:24:17,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 22:24:17,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 22:24:17,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 22:24:17,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 22:24:17,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 22:24:17,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 22:24:17,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 22:24:17,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 22:24:17,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 22:24:17,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 22:24:17,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 22:24:17,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 22:24:17,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 22:24:17,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 22:24:17,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 22:24:17,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 22:24:17,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 22:24:17,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 22:24:17,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 22:24:17,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 22:24:17,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-14 22:24:17,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 22:24:17,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 22:24:17,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 22:24:17,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 22:24:17,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 22:24:17,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 22:24:17,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 22:24:17,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 22:24:17,302 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 22:24:17,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 22:24:17,302 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 22:24:17,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 22:24:17,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 22:24:17,303 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 22:24:17,303 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 22:24:17,303 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 22:24:17,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 22:24:17,303 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 22:24:17,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 22:24:17,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 22:24:17,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 22:24:17,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 22:24:17,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:24:17,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 22:24:17,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 22:24:17,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 22:24:17,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 22:24:17,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 22:24:17,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d90b40abe17ad17e0875a32f6684c69a425762f33d0bcfa66a6ec9a0f34bd1cc [2021-12-14 22:24:17,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 22:24:17,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 22:24:17,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 22:24:17,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 22:24:17,499 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 22:24:17,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openbsd-6.2/if_etherip-double-free.i [2021-12-14 22:24:17,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66a232ad9/671d3960c72f499085bd8072773015d4/FLAG3c86008b3 [2021-12-14 22:24:18,123 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 22:24:18,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openbsd-6.2/if_etherip-double-free.i [2021-12-14 22:24:18,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66a232ad9/671d3960c72f499085bd8072773015d4/FLAG3c86008b3 [2021-12-14 22:24:18,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66a232ad9/671d3960c72f499085bd8072773015d4 [2021-12-14 22:24:18,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 22:24:18,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 22:24:18,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 22:24:18,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 22:24:18,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 22:24:18,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:24:18" (1/1) ... [2021-12-14 22:24:18,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31838158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:24:18, skipping insertion in model container [2021-12-14 22:24:18,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:24:18" (1/1) ... [2021-12-14 22:24:18,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 22:24:18,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 22:24:19,753 WARN L610 FunctionHandler]: implicit declaration of function __builtin_memset [2021-12-14 22:24:20,162 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) [2021-12-14 22:24:20,169 INFO L158 Benchmark]: Toolchain (without parser) took 1581.96ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 57.2MB in the beginning and 72.7MB in the end (delta: -15.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-12-14 22:24:20,170 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:24:20,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1580.09ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 56.8MB in the beginning and 72.7MB in the end (delta: -15.9MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-12-14 22:24:20,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1580.09ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 56.8MB in the beginning and 72.7MB in the end (delta: -15.9MB). Peak memory consumption was 28.1MB. 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 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 22:24:21,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 22:24:21,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 22:24:21,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 22:24:21,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 22:24:21,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 22:24:21,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 22:24:21,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 22:24:21,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 22:24:21,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 22:24:21,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 22:24:21,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 22:24:21,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 22:24:21,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 22:24:21,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 22:24:21,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 22:24:21,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 22:24:21,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 22:24:21,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 22:24:21,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 22:24:21,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 22:24:21,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 22:24:21,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 22:24:21,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 22:24:21,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 22:24:21,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 22:24:21,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 22:24:21,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 22:24:21,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 22:24:21,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 22:24:21,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 22:24:21,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 22:24:21,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 22:24:21,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 22:24:21,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 22:24:21,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 22:24:21,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 22:24:21,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 22:24:21,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 22:24:21,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 22:24:21,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 22:24:21,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-14 22:24:21,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 22:24:21,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 22:24:21,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 22:24:21,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 22:24:21,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 22:24:21,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 22:24:21,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 22:24:21,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 22:24:21,762 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 22:24:21,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 22:24:21,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 22:24:21,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 22:24:21,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 22:24:21,763 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 22:24:21,763 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 22:24:21,763 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 22:24:21,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 22:24:21,764 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 22:24:21,764 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 22:24:21,764 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 22:24:21,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 22:24:21,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 22:24:21,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 22:24:21,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 22:24:21,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:24:21,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 22:24:21,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 22:24:21,765 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 22:24:21,765 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 22:24:21,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 22:24:21,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 22:24:21,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d90b40abe17ad17e0875a32f6684c69a425762f33d0bcfa66a6ec9a0f34bd1cc [2021-12-14 22:24:22,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 22:24:22,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 22:24:22,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 22:24:22,064 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 22:24:22,066 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 22:24:22,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openbsd-6.2/if_etherip-double-free.i [2021-12-14 22:24:22,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d71fe7a6/5b90afa5637248c18b8a996896b0ae53/FLAG6dbd80f11 [2021-12-14 22:24:22,822 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 22:24:22,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openbsd-6.2/if_etherip-double-free.i [2021-12-14 22:24:22,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d71fe7a6/5b90afa5637248c18b8a996896b0ae53/FLAG6dbd80f11 [2021-12-14 22:24:23,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d71fe7a6/5b90afa5637248c18b8a996896b0ae53 [2021-12-14 22:24:23,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 22:24:23,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 22:24:23,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 22:24:23,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 22:24:23,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 22:24:23,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:24:23" (1/1) ... [2021-12-14 22:24:23,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6135835e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:24:23, skipping insertion in model container [2021-12-14 22:24:23,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:24:23" (1/1) ... [2021-12-14 22:24:23,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 22:24:23,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 22:24:24,365 WARN L610 FunctionHandler]: implicit declaration of function __builtin_memset [2021-12-14 22:24:24,689 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) [2021-12-14 22:24:24,693 INFO L158 Benchmark]: Toolchain (without parser) took 1590.25ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 35.7MB in the beginning and 48.5MB in the end (delta: -12.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-12-14 22:24:24,694 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:24:24,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1588.70ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 35.5MB in the beginning and 48.5MB in the end (delta: -13.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-12-14 22:24:24,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1588.70ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 35.5MB in the beginning and 48.5MB in the end (delta: -13.0MB). Peak memory consumption was 18.5MB. 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type