./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3a877d22 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/ldv-memsafety/memleaks_test23_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash 8821dcf0dd649f568f6a7cfce8600f412ab79c37bc3c7c7e65db385cdb052111 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:03:53,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:03:53,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:03:53,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:03:53,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:03:53,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:03:53,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:03:53,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:03:53,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:03:53,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:03:53,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:03:53,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:03:53,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:03:53,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:03:53,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:03:53,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:03:53,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:03:53,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:03:53,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:03:53,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:03:53,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:03:53,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:03:53,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:03:53,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:03:53,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:03:53,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:03:53,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:03:53,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:03:53,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:03:53,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:03:53,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:03:53,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:03:53,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:03:53,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:03:53,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:03:53,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:03:53,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:03:53,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:03:53,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:03:53,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:03:53,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:03:53,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-15 14:03:53,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:03:53,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:03:53,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:03:53,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:03:53,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:03:53,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:03:53,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:03:53,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:03:53,520 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:03:53,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:03:53,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:03:53,521 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:03:53,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:03:53,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:03:53,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:03:53,521 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:03:53,521 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:03:53,522 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:03:53,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:03:53,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:03:53,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:03:53,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:03:53,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:03:53,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:03:53,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:03:53,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:03:53,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:03:53,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:03:53,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 14:03:53,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 14:03:53,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:03:53,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8821dcf0dd649f568f6a7cfce8600f412ab79c37bc3c7c7e65db385cdb052111 [2021-12-15 14:03:53,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:03:53,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:03:53,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:03:53,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:03:53,695 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:03:53,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2.i [2021-12-15 14:03:53,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a55319bf/7fc28152d26e4ae3a917946802bcd413/FLAG0945cc2af [2021-12-15 14:03:54,203 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:03:54,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test23_2.i [2021-12-15 14:03:54,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a55319bf/7fc28152d26e4ae3a917946802bcd413/FLAG0945cc2af [2021-12-15 14:03:54,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a55319bf/7fc28152d26e4ae3a917946802bcd413 [2021-12-15 14:03:54,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:03:54,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:03:54,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:54,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:03:54,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:03:54,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd2ec02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54, skipping insertion in model container [2021-12-15 14:03:54,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:03:54,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:03:54,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:54,938 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: This array type is incomplete! Cannot extract actual dimensions. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.getConstantFirstDimensionOfArray(CTranslationUtil.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructIndexToInitInfo(InitializationHandler.java:1272) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.constructInitializerInfo(InitializationHandler.java:1228) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.createUltimateInitProcedure(PostProcessor.java:805) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:622) 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) [2021-12-15 14:03:54,945 INFO L158 Benchmark]: Toolchain (without parser) took 393.02ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 79.7MB in the beginning and 131.2MB in the end (delta: -51.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 14:03:54,946 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:03:54,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.54ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 79.7MB in the beginning and 131.2MB in the end (delta: -51.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 14:03:54,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.54ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 79.7MB in the beginning and 131.2MB in the end (delta: -51.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: This array type is incomplete! Cannot extract actual dimensions. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: This array type is incomplete! Cannot extract actual dimensions.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.getConstantFirstDimensionOfArray(CTranslationUtil.java:210) 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/ldv-memsafety/memleaks_test23_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8821dcf0dd649f568f6a7cfce8600f412ab79c37bc3c7c7e65db385cdb052111 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:03:56,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:03:56,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:03:56,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:03:56,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:03:56,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:03:56,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:03:56,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:03:56,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:03:56,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:03:56,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:03:56,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:03:56,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:03:56,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:03:56,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:03:56,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:03:56,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:03:56,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:03:56,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:03:56,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:03:56,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:03:56,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:03:56,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:03:56,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:03:56,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:03:56,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:03:56,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:03:56,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:03:56,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:03:56,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:03:56,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:03:56,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:03:56,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:03:56,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:03:56,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:03:56,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:03:56,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:03:56,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:03:56,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:03:56,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:03:56,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:03:56,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-15 14:03:56,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:03:56,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:03:56,557 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:03:56,557 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:03:56,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:03:56,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:03:56,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:03:56,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:03:56,559 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:03:56,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:03:56,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:03:56,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:03:56,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:03:56,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:03:56,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:03:56,561 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:03:56,561 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:03:56,561 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:03:56,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:03:56,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:03:56,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 14:03:56,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 14:03:56,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:03:56,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:03:56,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:03:56,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:03:56,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:03:56,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:03:56,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:03:56,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:03:56,563 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 14:03:56,564 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 14:03:56,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:03:56,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 14:03:56,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8821dcf0dd649f568f6a7cfce8600f412ab79c37bc3c7c7e65db385cdb052111 [2021-12-15 14:03:56,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:03:56,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:03:56,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:03:56,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:03:56,862 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:03:56,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test23_2.i [2021-12-15 14:03:56,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183f66cfe/111ab5a0e1a347b19571670f14871417/FLAG5ec4f304e [2021-12-15 14:03:57,360 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:03:57,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test23_2.i [2021-12-15 14:03:57,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183f66cfe/111ab5a0e1a347b19571670f14871417/FLAG5ec4f304e [2021-12-15 14:03:57,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183f66cfe/111ab5a0e1a347b19571670f14871417 [2021-12-15 14:03:57,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:03:57,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:03:57,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:57,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:03:57,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:03:57,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:57,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a296bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57, skipping insertion in model container [2021-12-15 14:03:57,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:57,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:03:57,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:03:57,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:57,729 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 14:03:57,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:03:57,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:57,810 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 14:03:57,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:57,926 INFO L208 MainTranslator]: Completed translation [2021-12-15 14:03:57,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57 WrapperNode [2021-12-15 14:03:57,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:57,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 14:03:57,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 14:03:57,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 14:03:57,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:57,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:57,995 INFO L137 Inliner]: procedures = 175, calls = 119, calls flagged for inlining = 30, calls inlined = 15, statements flattened = 195 [2021-12-15 14:03:57,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 14:03:57,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 14:03:57,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 14:03:58,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 14:03:58,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:58,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:58,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:58,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:58,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:58,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:58,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:58,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 14:03:58,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 14:03:58,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 14:03:58,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 14:03:58,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (1/1) ... [2021-12-15 14:03:58,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:03:58,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 14:03:58,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 14:03:58,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 14:03:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 14:03:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-12-15 14:03:58,110 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-12-15 14:03:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-12-15 14:03:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-12-15 14:03:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 14:03:58,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 14:03:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 14:03:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 14:03:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure free_reports [2021-12-15 14:03:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure free_reports [2021-12-15 14:03:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 14:03:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 14:03:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 14:03:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 14:03:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 14:03:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 14:03:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-12-15 14:03:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-12-15 14:03:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 14:03:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 14:03:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 14:03:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 14:03:58,284 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 14:03:58,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 14:03:58,806 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 14:03:58,811 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 14:03:58,812 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 14:03:58,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:03:58 BoogieIcfgContainer [2021-12-15 14:03:58,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 14:03:58,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 14:03:58,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 14:03:58,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 14:03:58,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 02:03:57" (1/3) ... [2021-12-15 14:03:58,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6811324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:03:58, skipping insertion in model container [2021-12-15 14:03:58,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:57" (2/3) ... [2021-12-15 14:03:58,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6811324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:03:58, skipping insertion in model container [2021-12-15 14:03:58,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:03:58" (3/3) ... [2021-12-15 14:03:58,834 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test23_2.i [2021-12-15 14:03:58,837 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 14:03:58,837 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 79 error locations. [2021-12-15 14:03:58,880 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 14:03:58,884 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 14:03:58,893 INFO L340 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2021-12-15 14:03:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 110 states have (on average 1.8454545454545455) internal successors, (203), 189 states have internal predecessors, (203), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-15 14:03:58,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 14:03:58,910 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 14:03:58,911 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 14:03:58,912 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION === [free_reportsErr0REQUIRES_VIOLATION, free_reportsErr1REQUIRES_VIOLATION, free_reportsErr2REQUIRES_VIOLATION, free_reportsErr3REQUIRES_VIOLATION (and 75 more)] === [2021-12-15 14:03:58,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 14:03:58,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1281397623, now seen corresponding path program 1 times [2021-12-15 14:03:58,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 14:03:58,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058167457] [2021-12-15 14:03:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 14:03:58,940 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 14:03:58,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 14:03:58,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 14:03:58,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 14:03:59,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 14:03:59,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 14:03:59,207 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2021-12-15 14:03:59,210 INFO L158 Benchmark]: Toolchain (without parser) took 1811.83ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 43.7MB in the beginning and 58.3MB in the end (delta: -14.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-12-15 14:03:59,211 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:03:59,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.97ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 43.5MB in the beginning and 63.3MB in the end (delta: -19.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-12-15 14:03:59,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.69ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 60.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 14:03:59,212 INFO L158 Benchmark]: Boogie Preprocessor took 41.48ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 57.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 14:03:59,213 INFO L158 Benchmark]: RCFGBuilder took 766.39ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 45.6MB in the end (delta: 11.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-12-15 14:03:59,213 INFO L158 Benchmark]: TraceAbstraction took 394.71ms. Allocated memory is still 86.0MB. Free memory was 45.2MB in the beginning and 58.3MB in the end (delta: -13.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-12-15 14:03:59,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.97ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 43.5MB in the beginning and 63.3MB in the end (delta: -19.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.69ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 60.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.48ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 57.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 766.39ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 45.6MB in the end (delta: 11.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * TraceAbstraction took 394.71ms. Allocated memory is still 86.0MB. Free memory was 45.2MB in the beginning and 58.3MB in the end (delta: -13.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 14:03:59,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable