./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:12:18,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:12:18,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:12:18,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:12:18,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:12:18,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:12:18,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:12:18,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:12:18,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:12:18,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:12:18,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:12:18,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:12:18,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:12:18,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:12:18,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:12:18,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:12:18,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:12:18,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:12:18,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:12:18,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:12:18,444 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:12:18,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:12:18,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:12:18,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:12:18,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:12:18,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:12:18,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:12:18,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:12:18,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:12:18,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:12:18,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:12:18,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:12:18,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:12:18,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:12:18,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:12:18,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:12:18,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:12:18,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:12:18,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:12:18,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:12:18,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:12:18,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:12:18,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:12:18,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:12:18,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:12:18,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:12:18,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:12:18,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:12:18,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:12:18,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:12:18,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:12:18,509 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:12:18,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:12:18,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:12:18,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:12:18,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:12:18,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:12:18,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:12:18,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:12:18,511 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:12:18,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:12:18,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:12:18,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:12:18,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:12:18,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:12:18,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:12:18,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:12:18,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:12:18,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:12:18,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:12:18,515 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:12:18,515 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:12:18,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:12:18,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-12 16:12:18,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:12:18,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:12:18,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:12:18,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:12:18,761 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:12:18,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:12:18,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03d035006/b741eb67c52c48dba78e220e256cb814/FLAG07a248c2a [2022-07-12 16:12:19,584 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:12:19,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:12:19,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03d035006/b741eb67c52c48dba78e220e256cb814/FLAG07a248c2a [2022-07-12 16:12:19,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03d035006/b741eb67c52c48dba78e220e256cb814 [2022-07-12 16:12:19,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:12:19,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:12:19,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:12:19,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:12:19,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:12:19,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:19" (1/1) ... [2022-07-12 16:12:19,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b94cbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:19, skipping insertion in model container [2022-07-12 16:12:19,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:19" (1/1) ... [2022-07-12 16:12:19,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:12:20,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:12:23,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-12 16:12:23,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-12 16:12:23,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:24,056 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:12:24,284 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9067] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 16:12:24,290 INFO L158 Benchmark]: Toolchain (without parser) took 4445.68ms. Allocated memory was 111.1MB in the beginning and 182.5MB in the end (delta: 71.3MB). Free memory was 62.0MB in the beginning and 76.7MB in the end (delta: -14.7MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2022-07-12 16:12:24,292 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:12:24,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4440.75ms. Allocated memory was 111.1MB in the beginning and 182.5MB in the end (delta: 71.3MB). Free memory was 61.7MB in the beginning and 76.7MB in the end (delta: -15.0MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2022-07-12 16:12:24,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4440.75ms. Allocated memory was 111.1MB in the beginning and 182.5MB in the end (delta: 71.3MB). Free memory was 61.7MB in the beginning and 76.7MB in the end (delta: -15.0MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9067] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9067]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:12:26,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:12:26,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:12:26,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:12:26,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:12:26,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:12:26,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:12:26,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:12:26,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:12:26,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:12:26,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:12:26,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:12:26,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:12:26,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:12:26,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:12:26,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:12:26,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:12:26,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:12:26,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:12:26,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:12:26,214 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:12:26,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:12:26,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:12:26,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:12:26,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:12:26,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:12:26,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:12:26,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:12:26,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:12:26,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:12:26,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:12:26,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:12:26,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:12:26,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:12:26,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:12:26,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:12:26,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:12:26,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:12:26,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:12:26,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:12:26,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:12:26,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:12:26,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:12:26,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:12:26,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:12:26,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:12:26,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:12:26,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:12:26,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:12:26,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:12:26,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:12:26,285 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:12:26,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:12:26,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:12:26,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:12:26,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:12:26,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:12:26,287 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:12:26,288 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:12:26,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:12:26,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:12:26,288 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:12:26,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:12:26,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:12:26,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:12:26,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:12:26,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:12:26,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:12:26,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:12:26,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:12:26,290 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:12:26,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:12:26,291 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:12:26,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:12:26,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:12:26,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:12:26,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-07-12 16:12:26,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:12:26,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:12:26,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:12:26,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:12:26,687 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:12:26,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:12:26,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de175769/5ad50b18bad344428f7c960bbda41e0e/FLAG53d86143f [2022-07-12 16:12:27,683 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:12:27,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:12:27,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de175769/5ad50b18bad344428f7c960bbda41e0e/FLAG53d86143f [2022-07-12 16:12:28,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de175769/5ad50b18bad344428f7c960bbda41e0e [2022-07-12 16:12:28,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:12:28,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:12:28,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:12:28,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:12:28,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:12:28,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:28" (1/1) ... [2022-07-12 16:12:28,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfe4a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:28, skipping insertion in model container [2022-07-12 16:12:28,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:28" (1/1) ... [2022-07-12 16:12:28,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:12:28,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:12:31,561 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-12 16:12:31,625 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-12 16:12:31,707 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-12 16:12:32,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-12 16:12:32,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-12 16:12:32,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:32,630 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:12:32,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:12:33,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-12 16:12:33,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-12 16:12:33,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:33,125 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:12:33,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-07-12 16:12:33,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-07-12 16:12:33,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:33,881 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:12:33,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33 WrapperNode [2022-07-12 16:12:33,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:12:33,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:12:33,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:12:33,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:12:33,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,235 INFO L137 Inliner]: procedures = 536, calls = 3820, calls flagged for inlining = 276, calls inlined = 261, statements flattened = 6676 [2022-07-12 16:12:34,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:12:34,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:12:34,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:12:34,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:12:34,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:12:34,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:12:34,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:12:34,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:12:34,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (1/1) ... [2022-07-12 16:12:34,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:12:34,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:12:34,648 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) [2022-07-12 16:12:34,671 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 [2022-07-12 16:12:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-12 16:12:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-12 16:12:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-12 16:12:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-12 16:12:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-12 16:12:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-12 16:12:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-12 16:12:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-12 16:12:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:12:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:12:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:12:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:12:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:12:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:12:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-12 16:12:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-12 16:12:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-12 16:12:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-12 16:12:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:12:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:12:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:12:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:12:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:12:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:12:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-12 16:12:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-12 16:12:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-12 16:12:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-12 16:12:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-12 16:12:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-12 16:12:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:12:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:12:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-12 16:12:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-12 16:12:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-12 16:12:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-12 16:12:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-12 16:12:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-12 16:12:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:12:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:12:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 16:12:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 16:12:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-12 16:12:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-12 16:12:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:12:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-12 16:12:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-12 16:12:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 16:12:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:12:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:12:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:12:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-12 16:12:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-12 16:12:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-12 16:12:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-12 16:12:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-12 16:12:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-12 16:12:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2022-07-12 16:12:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2022-07-12 16:12:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:12:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:12:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:12:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:12:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-12 16:12:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-12 16:12:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:12:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:12:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-12 16:12:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-12 16:12:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:12:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:12:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-12 16:12:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-12 16:12:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:12:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:12:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:12:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:12:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:12:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:12:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:12:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:12:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:12:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:12:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-12 16:12:34,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-12 16:12:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-12 16:12:34,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-12 16:12:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-12 16:12:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-12 16:12:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 16:12:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 16:12:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:12:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:12:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-12 16:12:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-12 16:12:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-12 16:12:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-12 16:12:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-12 16:12:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-12 16:12:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-12 16:12:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-12 16:12:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:12:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:12:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:12:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:12:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:12:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:12:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 16:12:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 16:12:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-12 16:12:34,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-12 16:12:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-12 16:12:34,716 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-12 16:12:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:12:34,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:12:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:12:34,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:12:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:12:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:12:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:12:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:12:34,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:12:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:12:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:12:34,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:12:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-12 16:12:34,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-12 16:12:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:12:34,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:12:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-07-12 16:12:34,725 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-07-12 16:12:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-12 16:12:34,726 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-12 16:12:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:12:34,726 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:12:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-12 16:12:34,726 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-12 16:12:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-12 16:12:34,726 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-12 16:12:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-12 16:12:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-12 16:12:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-12 16:12:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-12 16:12:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-12 16:12:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-12 16:12:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:12:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-12 16:12:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-12 16:12:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:12:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:12:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:12:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 16:12:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 16:12:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-12 16:12:34,729 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-12 16:12:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:12:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:12:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:12:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:12:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:12:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:12:34,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:12:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-12 16:12:34,730 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-12 16:12:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-07-12 16:12:34,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-07-12 16:12:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-12 16:12:34,730 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-12 16:12:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-12 16:12:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-12 16:12:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-12 16:12:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-12 16:12:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-12 16:12:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-12 16:12:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:12:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:12:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 16:12:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 16:12:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-12 16:12:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-12 16:12:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:12:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:12:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 16:12:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 16:12:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-12 16:12:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-12 16:12:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:12:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-12 16:12:34,735 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-12 16:12:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:12:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:12:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:12:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:12:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:12:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:12:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 16:12:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 16:12:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:12:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:12:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-12 16:12:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-12 16:12:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-12 16:12:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-12 16:12:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-12 16:12:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-12 16:12:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 16:12:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 16:12:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-12 16:12:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-12 16:12:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:12:34,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:12:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-12 16:12:34,738 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-12 16:12:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:12:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:12:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-12 16:12:34,738 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-12 16:12:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:12:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:12:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-12 16:12:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-12 16:12:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:12:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:12:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-12 16:12:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-12 16:12:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-12 16:12:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-12 16:12:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-07-12 16:12:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-07-12 16:12:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-12 16:12:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-12 16:12:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-12 16:12:34,741 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-12 16:12:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-12 16:12:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-12 16:12:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:12:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:12:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-12 16:12:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-12 16:12:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 16:12:34,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 16:12:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-12 16:12:34,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-12 16:12:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-12 16:12:34,746 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-12 16:12:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-12 16:12:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 16:12:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 16:12:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-12 16:12:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-12 16:12:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:12:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:12:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-12 16:12:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-12 16:12:34,748 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-12 16:12:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-12 16:12:34,748 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-12 16:12:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-12 16:12:35,761 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:12:35,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:12:36,173 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:13:13,101 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:13:13,269 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:13:13,301 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:13:13,301 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 16:13:13,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:13:13 BoogieIcfgContainer [2022-07-12 16:13:13,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:13:13,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:13:13,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:13:13,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:13:13,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:12:28" (1/3) ... [2022-07-12 16:13:13,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495ce936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:13:13, skipping insertion in model container [2022-07-12 16:13:13,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:33" (2/3) ... [2022-07-12 16:13:13,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495ce936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:13:13, skipping insertion in model container [2022-07-12 16:13:13,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:13:13" (3/3) ... [2022-07-12 16:13:13,315 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-12 16:13:13,330 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:13:13,330 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:13:13,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:13:13,523 INFO L357 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2d153f1a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2873e3e4 [2022-07-12 16:13:13,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:13:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) [2022-07-12 16:13:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-12 16:13:13,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:13:13,593 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:13:13,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:13:13,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:13:13,599 INFO L85 PathProgramCache]: Analyzing trace with hash 670640399, now seen corresponding path program 1 times [2022-07-12 16:13:13,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:13:13,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627693506] [2022-07-12 16:13:13,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:13:13,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:13:13,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:13:13,627 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) [2022-07-12 16:13:13,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:13:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:20,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 4201 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:13:20,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:13:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-12 16:13:21,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:13:21,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:13:21,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627693506] [2022-07-12 16:13:21,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627693506] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:13:21,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:13:21,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:13:21,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885702883] [2022-07-12 16:13:21,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:13:21,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:13:21,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:13:21,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:13:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:13:21,376 INFO L87 Difference]: Start difference. First operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:13:23,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:13:23,146 INFO L93 Difference]: Finished difference Result 9025 states and 13628 transitions. [2022-07-12 16:13:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:13:23,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 473 [2022-07-12 16:13:23,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:13:23,214 INFO L225 Difference]: With dead ends: 9025 [2022-07-12 16:13:23,215 INFO L226 Difference]: Without dead ends: 5927 [2022-07-12 16:13:23,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:13:23,252 INFO L413 NwaCegarLoop]: 5801 mSDtfsCounter, 4366 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4366 SdHoareTripleChecker+Valid, 10348 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:13:23,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4366 Valid, 10348 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 16:13:23,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5927 states. [2022-07-12 16:13:23,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5927 to 5918. [2022-07-12 16:13:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5918 states, 3400 states have (on average 1.2497058823529412) internal successors, (4249), 3466 states have internal predecessors, (4249), 2297 states have call successors, (2297), 220 states have call predecessors, (2297), 220 states have return successors, (2316), 2263 states have call predecessors, (2316), 2297 states have call successors, (2316) [2022-07-12 16:13:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5918 states to 5918 states and 8862 transitions. [2022-07-12 16:13:23,957 INFO L78 Accepts]: Start accepts. Automaton has 5918 states and 8862 transitions. Word has length 473 [2022-07-12 16:13:23,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:13:23,959 INFO L495 AbstractCegarLoop]: Abstraction has 5918 states and 8862 transitions. [2022-07-12 16:13:23,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:13:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 5918 states and 8862 transitions. [2022-07-12 16:13:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-12 16:13:23,975 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:13:23,976 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:13:24,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:13:24,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:13:24,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:13:24,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:13:24,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1060216007, now seen corresponding path program 1 times [2022-07-12 16:13:24,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:13:24,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640051315] [2022-07-12 16:13:24,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:13:24,185 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:13:24,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:13:24,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:13:24,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:13:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:31,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 4146 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:13:31,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:13:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-12 16:13:32,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:13:32,052 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:13:32,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640051315] [2022-07-12 16:13:32,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640051315] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:13:32,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:13:32,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:13:32,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799066362] [2022-07-12 16:13:32,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:13:32,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:13:32,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:13:32,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:13:32,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:13:32,061 INFO L87 Difference]: Start difference. First operand 5918 states and 8862 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:13:34,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:13:34,151 INFO L93 Difference]: Finished difference Result 17424 states and 26130 transitions. [2022-07-12 16:13:34,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:13:34,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 472 [2022-07-12 16:13:34,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:13:34,254 INFO L225 Difference]: With dead ends: 17424 [2022-07-12 16:13:34,254 INFO L226 Difference]: Without dead ends: 11583 [2022-07-12 16:13:34,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:13:34,306 INFO L413 NwaCegarLoop]: 5707 mSDtfsCounter, 4300 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 10183 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:13:34,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 10183 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 16:13:34,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2022-07-12 16:13:35,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 11567. [2022-07-12 16:13:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11567 states, 6626 states have (on average 1.2475098098400241) internal successors, (8266), 6758 states have internal predecessors, (8266), 4500 states have call successors, (4500), 440 states have call predecessors, (4500), 440 states have return successors, (4572), 4432 states have call predecessors, (4572), 4500 states have call successors, (4572) [2022-07-12 16:13:35,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11567 states to 11567 states and 17338 transitions. [2022-07-12 16:13:35,191 INFO L78 Accepts]: Start accepts. Automaton has 11567 states and 17338 transitions. Word has length 472 [2022-07-12 16:13:35,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:13:35,193 INFO L495 AbstractCegarLoop]: Abstraction has 11567 states and 17338 transitions. [2022-07-12 16:13:35,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:13:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 11567 states and 17338 transitions. [2022-07-12 16:13:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-12 16:13:35,208 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:13:35,208 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:13:35,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:13:35,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:13:35,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:13:35,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:13:35,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1765422860, now seen corresponding path program 1 times [2022-07-12 16:13:35,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:13:35,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566605992] [2022-07-12 16:13:35,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:13:35,432 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:13:35,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:13:35,434 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:13:35,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:13:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:43,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 4147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:13:43,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:13:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-12 16:13:43,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:13:43,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:13:43,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566605992] [2022-07-12 16:13:43,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566605992] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:13:43,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:13:43,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:13:43,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190725022] [2022-07-12 16:13:43,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:13:43,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:13:43,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:13:43,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:13:43,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:13:43,437 INFO L87 Difference]: Start difference. First operand 11567 states and 17338 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:13:45,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:13:45,695 INFO L93 Difference]: Finished difference Result 34203 states and 51324 transitions. [2022-07-12 16:13:45,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:13:45,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 473 [2022-07-12 16:13:45,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:13:45,938 INFO L225 Difference]: With dead ends: 34203 [2022-07-12 16:13:45,938 INFO L226 Difference]: Without dead ends: 22713 [2022-07-12 16:13:46,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:13:46,050 INFO L413 NwaCegarLoop]: 5710 mSDtfsCounter, 4300 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 10186 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:13:46,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 10186 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 16:13:46,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22713 states. [2022-07-12 16:13:47,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22713 to 22679. [2022-07-12 16:13:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22679 states, 12950 states have (on average 1.2443243243243243) internal successors, (16114), 13214 states have internal predecessors, (16114), 8848 states have call successors, (8848), 880 states have call predecessors, (8848), 880 states have return successors, (9048), 8712 states have call predecessors, (9048), 8848 states have call successors, (9048) [2022-07-12 16:13:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 34010 transitions. [2022-07-12 16:13:47,872 INFO L78 Accepts]: Start accepts. Automaton has 22679 states and 34010 transitions. Word has length 473 [2022-07-12 16:13:47,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:13:47,873 INFO L495 AbstractCegarLoop]: Abstraction has 22679 states and 34010 transitions. [2022-07-12 16:13:47,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:13:47,874 INFO L276 IsEmpty]: Start isEmpty. Operand 22679 states and 34010 transitions. [2022-07-12 16:13:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-12 16:13:47,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:13:47,887 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:13:48,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:13:48,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:13:48,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:13:48,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:13:48,104 INFO L85 PathProgramCache]: Analyzing trace with hash 182109860, now seen corresponding path program 1 times [2022-07-12 16:13:48,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:13:48,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776954118] [2022-07-12 16:13:48,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:13:48,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:13:48,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:13:48,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:13:48,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:13:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:55,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 4148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:13:55,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:13:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-12 16:13:55,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:13:55,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:13:55,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776954118] [2022-07-12 16:13:55,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776954118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:13:55,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:13:55,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:13:55,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35862163] [2022-07-12 16:13:55,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:13:55,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:13:55,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:13:55,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:13:55,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:13:55,502 INFO L87 Difference]: Start difference. First operand 22679 states and 34010 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:13:57,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:13:57,937 INFO L93 Difference]: Finished difference Result 66986 states and 100578 transitions. [2022-07-12 16:13:57,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:13:57,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 474 [2022-07-12 16:13:57,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:13:58,397 INFO L225 Difference]: With dead ends: 66986 [2022-07-12 16:13:58,397 INFO L226 Difference]: Without dead ends: 44384 [2022-07-12 16:13:58,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:13:58,535 INFO L413 NwaCegarLoop]: 5707 mSDtfsCounter, 4298 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 10183 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:13:58,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4298 Valid, 10183 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 16:13:58,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44384 states. [2022-07-12 16:14:00,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44384 to 44310. [2022-07-12 16:14:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44310 states, 25184 states have (on average 1.2404701397712834) internal successors, (31240), 25707 states have internal predecessors, (31240), 17379 states have call successors, (17379), 1747 states have call predecessors, (17379), 1746 states have return successors, (17877), 17111 states have call predecessors, (17877), 17379 states have call successors, (17877) [2022-07-12 16:14:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44310 states to 44310 states and 66496 transitions. [2022-07-12 16:14:01,681 INFO L78 Accepts]: Start accepts. Automaton has 44310 states and 66496 transitions. Word has length 474 [2022-07-12 16:14:01,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:01,683 INFO L495 AbstractCegarLoop]: Abstraction has 44310 states and 66496 transitions. [2022-07-12 16:14:01,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:14:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 44310 states and 66496 transitions. [2022-07-12 16:14:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-12 16:14:01,695 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:01,695 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:14:01,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 16:14:01,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:14:01,912 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:01,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:01,913 INFO L85 PathProgramCache]: Analyzing trace with hash -188228085, now seen corresponding path program 1 times [2022-07-12 16:14:01,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:14:01,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9742550] [2022-07-12 16:14:01,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:01,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:14:01,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:14:01,920 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:14:02,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:14:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:08,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 4202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:14:08,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:14:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-12 16:14:09,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:14:09,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:14:09,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9742550] [2022-07-12 16:14:09,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9742550] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:09,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:09,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:14:09,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731767422] [2022-07-12 16:14:09,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:09,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:14:09,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:14:09,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:14:09,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:09,475 INFO L87 Difference]: Start difference. First operand 44310 states and 66496 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:14:13,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:14:13,039 INFO L93 Difference]: Finished difference Result 126319 states and 189733 transitions. [2022-07-12 16:14:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:14:13,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 474 [2022-07-12 16:14:13,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:14:14,050 INFO L225 Difference]: With dead ends: 126319 [2022-07-12 16:14:14,051 INFO L226 Difference]: Without dead ends: 82086 [2022-07-12 16:14:14,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:14,322 INFO L413 NwaCegarLoop]: 7919 mSDtfsCounter, 3953 mSDsluCounter, 4501 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 12420 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:14:14,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 12420 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 16:14:14,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82086 states. [2022-07-12 16:14:18,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82086 to 82068. [2022-07-12 16:14:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82068 states, 46173 states have (on average 1.2366967708401013) internal successors, (57102), 47200 states have internal predecessors, (57102), 32553 states have call successors, (32553), 3337 states have call predecessors, (32553), 3341 states have return successors, (33422), 32018 states have call predecessors, (33422), 32553 states have call successors, (33422) [2022-07-12 16:14:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82068 states to 82068 states and 123077 transitions. [2022-07-12 16:14:19,776 INFO L78 Accepts]: Start accepts. Automaton has 82068 states and 123077 transitions. Word has length 474 [2022-07-12 16:14:19,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:19,778 INFO L495 AbstractCegarLoop]: Abstraction has 82068 states and 123077 transitions. [2022-07-12 16:14:19,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:14:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 82068 states and 123077 transitions. [2022-07-12 16:14:19,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-12 16:14:19,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:19,783 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:14:19,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-12 16:14:19,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:14:20,000 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:20,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:20,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1165557520, now seen corresponding path program 1 times [2022-07-12 16:14:20,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:14:20,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752594215] [2022-07-12 16:14:20,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:20,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:14:20,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:14:20,009 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:14:20,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:14:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:27,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:14:27,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:14:27,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-12 16:14:27,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:14:27,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:14:27,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752594215] [2022-07-12 16:14:27,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752594215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:27,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:27,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:14:27,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804992895] [2022-07-12 16:14:27,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:27,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:14:27,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:14:27,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:14:27,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:27,592 INFO L87 Difference]: Start difference. First operand 82068 states and 123077 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-12 16:14:33,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:14:33,441 INFO L93 Difference]: Finished difference Result 240731 states and 362910 transitions. [2022-07-12 16:14:33,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:14:33,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 482 [2022-07-12 16:14:33,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:14:35,076 INFO L225 Difference]: With dead ends: 240731 [2022-07-12 16:14:35,076 INFO L226 Difference]: Without dead ends: 158740 [2022-07-12 16:14:35,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:35,823 INFO L413 NwaCegarLoop]: 5728 mSDtfsCounter, 4232 mSDsluCounter, 4530 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4232 SdHoareTripleChecker+Valid, 10258 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:14:35,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4232 Valid, 10258 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 16:14:35,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158740 states. [2022-07-12 16:14:43,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158740 to 158674. [2022-07-12 16:14:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158674 states, 88289 states have (on average 1.2329622036720316) internal successors, (108857), 90263 states have internal predecessors, (108857), 63869 states have call successors, (63869), 6539 states have call predecessors, (63869), 6515 states have return successors, (67027), 62719 states have call predecessors, (67027), 63869 states have call successors, (67027) [2022-07-12 16:14:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158674 states to 158674 states and 239753 transitions. [2022-07-12 16:14:45,633 INFO L78 Accepts]: Start accepts. Automaton has 158674 states and 239753 transitions. Word has length 482 [2022-07-12 16:14:45,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:45,635 INFO L495 AbstractCegarLoop]: Abstraction has 158674 states and 239753 transitions. [2022-07-12 16:14:45,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-12 16:14:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand 158674 states and 239753 transitions. [2022-07-12 16:14:45,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-07-12 16:14:45,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:45,644 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:14:45,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 16:14:45,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:14:45,864 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:45,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:45,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1165168756, now seen corresponding path program 1 times [2022-07-12 16:14:45,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:14:45,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861211796] [2022-07-12 16:14:45,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:45,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:14:45,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:14:45,869 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:14:45,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:14:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:53,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 4344 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:14:53,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:14:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6147 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 5904 trivial. 0 not checked. [2022-07-12 16:14:54,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:14:54,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:14:54,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861211796] [2022-07-12 16:14:54,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861211796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:54,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:54,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:14:54,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186311225] [2022-07-12 16:14:54,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:54,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:14:54,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:14:54,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:14:54,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:54,271 INFO L87 Difference]: Start difference. First operand 158674 states and 239753 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-12 16:15:05,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:15:05,240 INFO L93 Difference]: Finished difference Result 389993 states and 589699 transitions. [2022-07-12 16:15:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:15:05,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 538 [2022-07-12 16:15:05,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted.